English-Wörter für 'A single atom of this element.'
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noun
- A single atom of this element.
- A nonmetallic chemical element (symbol Se) with an atomic number of 34, used mainly in glassmaking and pigments and as a semiconductor.
- a toxic nonmetallic element related to sulfur and tellurium; occurs in several allotropic forms; a stable grey metallike allotrope conducts electricity better in the light than in the dark and is used in photocells; occurs in sulfide ores (as pyrite)
noun
- A single atom of this element.
- A metallic chemical element (symbol Tl) with atomic number 81: a gray post-transition metal that discolors when exposed to air.
- a soft grey malleable metallic element that resembles tin but discolors on exposure to air; it is highly toxic and is used in rodent and insect poisons; occurs in zinc blende and some iron ores
noun
- (countable) A single atom of this element.
- The chemical element (symbol Ar) with an atomic number of 18. The third most abundant gas in the Earth's atmosphere, it is a colourless, odourless, inert noble gas.
- a colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere
noun
- (countable) A single atom of this element.
- A toxic grey brittle nonmetallic chemical element (symbol As) with an atomic number of 33.
- Arsenic trioxide.
- a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer
- a very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and in various alloys; found in arsenopyrite and orpiment and realgar
adj
noun
- (countable) A single atom of this element.
- A toxic, green, gaseous chemical element (symbol Cl) with an atomic number of 17.
- (countable) A chlorine-based bleach or disinfectant.
- a common nonmetallic element belonging to the halogens; best known as a heavy yellow irritating toxic gas; used to purify water and as a bleaching agent and disinfectant; occurs naturally only as a salt (as in sea water)
noun
noun
- (countable) A single atom of this element.
- (uncountable) A chemical element (symbol Ir) with an atomic number of 77: a very hard, brittle, silvery-white transition metal of the platinum group.
- a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium
noun
- (countable) A single atom of this element.
- (uncountable) The simplest alkali metal, the lightest solid element, and the third lightest chemical element (symbol Li) with an atomic number of 3 and atomic weight of 6.94. It is a soft, silvery metal.
- (countable) A lithium battery.
- (pharmacology, uncountable) Lithium carbonate or other preparations of lithium metal used as a mood stabiliser to treat manic depression and bipolar disorders.
- a soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals
noun
- (countable) A single atom of this element.
- (uncountable) A metallic chemical element (symbol Mn) with an atomic number of 25, not a free element in nature but often found in minerals in combination with iron, and useful in industrial alloy production.
- a hard brittle grey polyvalent metallic element that resembles iron but is not magnetic; used in making steel; occurs in many minerals
noun
- (countable) A single atom of this element.
- A chemical element (symbol Nd) with an atomic number of 60: a hard, slightly malleable silvery rare earth metal that quickly tarnishes in air and moisture.
- a yellow trivalent metallic element of the rare earth group; occurs in monazite and bastnasite in association with cerium and lanthanum and praseodymium
noun
- (countable) A single atom of this element.
- A chemical element (symbol Os) with atomic number 76: a hard, brittle, heavy, bluish-white transition metal found as a trace element in alloys, mostly in platinum ores.
- a hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known
noun
- (countable) A single atom of this element.
- A chemical element (symbol Pd) with an atomic number of 46: a rare, lustrous silvery-white metal.
- A safeguard.
- a silver-white metallic element of the platinum group that resembles platinum; occurs in some copper and nickel ores; does not tarnish at ordinary temperatures and is used (alloyed with gold) in jewelry
noun
- (countable) A single atom of this element.
- A soft, waxy, silvery reactive metal that is never found unbound in nature; an element with atomic number 19 and atomic weight of 39.0983.
- a light soft silver-white metallic element of the alkali metal group; oxidizes rapidly in air and reacts violently with water; is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite
noun
- (countable) A single atom of this element.
- A metallic chemical element (symbol Re) with an atomic number of 75: a heavy, silvery-gray transition metal.
- a rare heavy polyvalent metallic element that resembles manganese chemically and is used in some alloys; is obtained as a by-product in refining molybdenum
noun
- (countable) A single atom of this element.
- (uncountable) The chemical element (symbol Rb) with an atomic number of 37. It is a soft, highly reactive alkali metal.
- a soft silvery metallic element of the alkali metal group; burns in air and reacts violently in water; occurs in carnallite and lepidolite and pollucite
noun
- (countable) A single atom of this element.
- The metallic chemical element (symbol Sr) with an atomic number of 38. It is a soft, reactive, silvery alkaline earth metal.
- a soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite
noun
- (countable) A single atom of this element.
- Alternative form of tellurion.
- (uncountable) The chemical element with atomic number 52. Symbol: Te. A rare, brittle, mildly toxic, silver-white metalloid.
- a brittle silver-white metalloid element that is related to selenium and sulfur; it is used in alloys and as a semiconductor; occurs mainly as tellurides in ores of copper and nickel and silver and gold
noun
- (countable) A single atom of this element.
- A chemical element, atomic number 22; it is a strong, corrosion-resistant transition metal, used to make light alloys for aircraft etc.
- a light strong grey lustrous corrosion-resistant metallic element used in strong lightweight alloys (as for airplane parts); the main sources are rutile and ilmenite
noun
- (countable) A single atom of this element.
- A chemical element (symbol V) with atomic number 23; it is a transition metal, used in the production of special steels.
- a soft silvery white toxic metallic element used in steel alloys; it occurs in several complex minerals including carnotite and vanadinite
noun
- (countable) A single atom of this element.
- A chemical element (symbol Zn) with an atomic number of 30, a blue-silvery metal that is slightly brittle at room temperature and tarnishes slightly in moist air.
- (Nigeria) A corrugated iron roof.
- a bluish-white lustrous metallic element; brittle at ordinary temperatures but malleable when heated; used in a wide variety of alloys and in galvanizing iron; it occurs naturally as zinc sulphide in zinc blende
verb
noun
- (chemistry, countable) A single atom of this element.
- (uncountable) The chemical element (symbol F) with an atomic number of 9. It is the lightest of the halogens, a pale yellow-green, highly reactive gas that attacks all metals.
- a nonmetallic univalent element belonging to the halogens; usually a yellow irritating toxic flammable gas; a powerful oxidizing agent; recovered from fluorite or cryolite or fluorapatite
noun
- (chemistry, countable) A single atom of this element.
- (chemistry, uncountable) A nonmetallic element (symbol Si) with an atomic number of 14 and atomic weight of 28.0855.
- Abbreviation of silicon chip.
- (slang) A computer processor.
- (slang) Computing.
- a tetravalent nonmetallic element; next to oxygen it is the most abundant element in the earth's crust; occurs in clay and feldspar and granite and quartz and sand; used as a semiconductor in transistors
noun
- (countable) An atom of this element.
- The chemical element with atomic number 20: a soft, silvery-white alkaline earth metal which occurs naturally as carbonate in limestone and as silicate in many rocks.
- a white metallic element that burns with a brilliant light; the fifth most abundant element in the earth's crust; an important component of most plants and animals
noun
- (countable) An atom of this element.
- A nonmetallic chemical element (symbol Ge) with an atomic number of 32: a lustrous, hard-brittle, grayish-white metalloid in the carbon group.
- a brittle grey crystalline element that is a semiconducting metalloid (resembling silicon) used in transistors; occurs in germanite and argyrodite
noun
- (countable) An atom of this element.
- (uncountable) The lightest chemical element (symbol H), with an atomic number of 1 and atomic weight of 1.008.
- (uncountable) Synonym of protium (“the lightest and most common isotope of hydrogen (sense 1; symbol H, ¹H, or 11H), as contrasted with deuterium and tritium”).
- (countable) A molecule of this molecular species.
- (uncountable) Molecular hydrogen (sense 1; symbol H₂), a colourless, odourless and flammable gas at room temperature.
- a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe
noun
- (countable) An atom of this element.
- (uncountable) The chemical element (symbol Kr) with an atomic number of 36. It is a colourless, odourless noble gas that only reacts with fluorine. It is one of the rarest gases in the Earth's atmosphere.
- a colorless element that is one of the six inert gasses; occurs in trace amounts in air
noun
- (countable) An atom of this element.
- (uncountable) A chemical element (symbol La) with an atomic number of 57: a soft, ductile, silvery-white metal that tarnishes slowly when exposed to air.
- a white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth
noun
- (countable) An atom of this element.
- The chemical element (symbol O) with an atomic number of 8 and relative atomic mass of 15.9994. It is a colorless and odorless gas. Sometimes called elemental oxygen to distinguish it from molecular oxygen.
- (medicine) A mixture of oxygen and other gases, administered to a patient to help them breathe.
- (figurative) A condition or environment in which something can thrive.
- (loose but very common, even in formal use) Molecular oxygen (O₂), a colorless, odorless gas at room temperature.
- a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust
noun
- A minute particle; an atom; a molecule.
- A protoplasmic animal cell; especially, such as float free, like blood, lymph, and pus corpuscles; or such as are embedded in an intercellular matrix, like connective tissue and cartilage corpuscles.
- either of two types of cells (erythrocytes and leukocytes) and sometimes including platelets
- (nontechnical usage) a tiny piece of anything
suffix
- A single-atom thick two-dimensional layer of atoms.
- Forms adjectives and nouns denoting religious groups from personal names.
- Forms adjectives relating to places and nouns for their inhabitants.
- A polymer derived from an alkene.
- (organic chemistry) An aromatic hydrocarbon based on benzene.
- (organic chemistry) An unsaturated hydrocarbon having at least one double bond; an alkene.
noun
- (countable) An atom of this element, in reference to a molecule containing it.
- (uncountable) The chemical element (symbol C) with an atomic number of 6. It can be found in pure form for example as graphite, a black, shiny and very soft material, or diamond, a colourless, transparent, crystalline solid and the hardest known material.
- Soot.
- A carbon rod or pencil used in an arc lamp.
- A fossil fuel that is made of impure carbon such as coal or charcoal.
- (informal) Ellipsis of carbon fiber (reinforced polymer).
- A plate or piece of carbon used as one of the elements of a voltaic battery.
- (ecology, climate change, uncountable) Ellipsis of carbon dioxide.
- Especially, hardened soot as a caked-on deposit.
- (countable, informal) A sheet of carbon paper.
- (countable, informal) A carbon copy.
- a thin paper coated on one side with a dark waxy substance (often containing carbon); used to transfer characters from the original to an under sheet of paper
- a copy made with carbon paper
- an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds
verb
adj
- Pertaining to the nucleus of an atom.
- of or relating to or constituting the nucleus of an atom
- Involving energy released by nuclear reactions (fission, fusion, radioactive decay).
- (biology) Pertaining to the nucleus of a cell.
- Relating to, being of, or comprising the nuclear family.
- Having nuclear weapons.
- (by extension, figurative, of a solution or response) Involving an extreme course of action, or one with severe consequences.
- Relating to a weapon that derives its force from rapid release of energy through nuclear reactions.
- (weapons) deriving destructive energy from the release of atomic energy
- of or relating to or constituting the nucleus of a cell
- constituting or like a nucleus
noun
noun
- (chemistry, physics) The smallest possible amount of matter which still retains its identity as a chemical element, now known to consist of a nucleus surrounded by electrons.
- (Canada, usually attributive) An age group division in hockey for nine- to eleven-year-olds.
- (philosophy) In logical atomism, a fundamental fact that cannot be further broken down.
- (historical) The smallest medieval unit of time, equal to fifteen ninety-fourths of a second.
- (programming, Microsoft Windows) An integer representing a particular string.
- (now generally regarded figuratively) The smallest, indivisible constituent part or unit of something.
- A mote of dust in a sunbeam.
- (mathematics) A non-zero member of a partially ordered set that has only zero below it (assuming that the poset has a least element, its "zero").
- A very small amount; a whit.
- (programming, Lisp) An individual number or symbol, as opposed to a list; a scalar value.
- (mathematics, set theory) An element of a set that is not itself a set; an urelement.
- (history of science) A hypothetical particle posited by Greek philosophers as an ultimate and indivisible component of matter.
- (physics and chemistry) the smallest component of an element having the chemical properties of the element
- (nontechnical usage) a tiny piece of anything
noun
- (chemistry) an atom having a valence of one
- a singular metaphysical entity from which material properties are said to derive
- (biology) a single-celled microorganism (especially a flagellate protozoan)
- (botany) A single individual (such as a pollen grain) that is free from others, not united in a group.
- A group of entities or items treated as one entity.
- (category theory) A monoid object in the category of endofunctors of a fixed category.
- (functional programming) A data type which represents a specific form of computation, along with the operations "return" and "bind".
- One thing, one being, one item.
- (philosophy) An ultimate atom, or simple, unextended point; something ultimate and indivisible.
noun
- (countable) A single particle of a substance.
- Temper; natural disposition; inclination.
- The metric, carat, or pearl grain of ¹⁄₄ carat used for measuring precious stones and pearls, now exactly 50 mg.
- An iron fish spear or harpoon, with a number of points half-barbed inwardly.
- (uncountable) A linear texture of a material or surface.
- (countable, uncountable) The crops from which grain is harvested.
- (photography, videography) Visual texture in processed photographic film due to the presence of small particles of a metallic silver, or dye clouds, developed from silver halide that have received enough photons.
- One of the branches of a valley or river.
- (botany) A rounded prominence on the back of a sepal, as in the common dock.
- (in the plural) The remains of grain, etc., after brewing or distillation; hence, any residuum.
- (historical) The French grain of ¹⁄₉₂₁₆ livre, equivalent to 53.11 mg at metricization and equal to exactly 54.25 mg from 1812–1839 as part of the mesures usuelles.
- (dialectal, anatomy) The fangs of a tooth.
- (materials) A region within a material having a single crystal structure or direction.
- (countable) A single seed of grass food crops.
- (dialectal, anatomy) The groin; crotch.
- A branch of a tree; a stalk or stem of a plant; an offshoot.
- (countable, chiefly historical) Any of various small units of length originally notionally based on a grain's width, variously standardized at different places and times.
- (uncountable) The harvested seeds of various grass food crops eg: wheat, corn, barley.
- The hair side of a piece of leather, or the marking on that side.
- (dialectal) A fork in a river valley or ravine.
- A blade of a sword, knife, etc.
- (founding) A thin piece of metal, used in a mould to steady a core.
- (uncountable) Similar seeds from any food crop, e.g., buckwheat, amaranth, quinoa.
- (countable, historical) The carat grain of ¹⁄₄ carat as a measure of gold purity, creating a 96-point scale between 0% and 100% purity.
- An arm of a cross.
- A reddish dye made from the coccus insect, or kermes; hence, a red color of any tint or hue, as crimson, scarlet, etc.; sometimes used by the poets as equivalent to Tyrian purple.
- (dialectal) The branch of a family; clan.
- (astronautics) The solid piece of fuel in an individual solid-fuel rocket engine.
- The English grain of ¹⁄₅₇₆₀ troy pound or ¹⁄₇₀₀₀ pound avoirdupois, now exactly 64.79891 mg.
- (dialectal) A branch or arm of a stream, inlet, or sea.
- the physical composition of something (especially with respect to the size and shape of the small constituents of a substance)
- the direction, texture, or pattern of fibers found in wood or leather or stone or in a woven fabric
- the smallest possible unit of anything
- a cereal grass
- foodstuff prepared from the starchy grains of cereal grasses
- a weight unit used for pearls or diamonds: 50 mg or 1/4 carat
- 1/60 dram; equals an avoirdupois grain or 64.799 milligrams
- the side of leather from which the hair has been removed
- dry seed-like fruit produced by the cereal grasses: e.g. wheat, barley, Indian corn
- a relatively small granular particle of a substance
- 1/7000 pound; equals a troy grain or 64.799 milligrams
verb
- (transitive) To make granular; to form into grains.
- (transitive) To feed grain to.
- To texture a surface in imitation of the grain of a substance such as wood.
- (tanning) To soften leather.
- To yield fruit.
- (tanning) To remove the hair or fat from a skin.
- (intransitive) To form grains, or to assume a granular form, as the result of crystallization; to granulate.
- paint (a surface) to make it look like stone or wood
- thoroughly work in
- become granular
- form into grains
noun
- A single atom of this element.
- A nonmetallic chemical element (symbol Se) with an atomic number of 34, used mainly in glassmaking and pigments and as a semiconductor.
- a toxic nonmetallic element related to sulfur and tellurium; occurs in several allotropic forms; a stable grey metallike allotrope conducts electricity better in the light than in the dark and is used in photocells; occurs in sulfide ores (as pyrite)
noun
- A single atom of this element.
- A metallic chemical element (symbol Tl) with atomic number 81: a gray post-transition metal that discolors when exposed to air.
- a soft grey malleable metallic element that resembles tin but discolors on exposure to air; it is highly toxic and is used in rodent and insect poisons; occurs in zinc blende and some iron ores
noun
- (countable) A single atom of this element.
- The chemical element (symbol Ar) with an atomic number of 18. The third most abundant gas in the Earth's atmosphere, it is a colourless, odourless, inert noble gas.
- a colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere
noun
- (countable) A single atom of this element.
- A toxic grey brittle nonmetallic chemical element (symbol As) with an atomic number of 33.
- Arsenic trioxide.
- a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer
- a very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and in various alloys; found in arsenopyrite and orpiment and realgar
adj
noun
- (countable) A single atom of this element.
- A toxic, green, gaseous chemical element (symbol Cl) with an atomic number of 17.
- (countable) A chlorine-based bleach or disinfectant.
- a common nonmetallic element belonging to the halogens; best known as a heavy yellow irritating toxic gas; used to purify water and as a bleaching agent and disinfectant; occurs naturally only as a salt (as in sea water)
noun
noun
- (countable) A single atom of this element.
- (uncountable) A chemical element (symbol Ir) with an atomic number of 77: a very hard, brittle, silvery-white transition metal of the platinum group.
- a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium
noun
- (countable) A single atom of this element.
- (uncountable) The simplest alkali metal, the lightest solid element, and the third lightest chemical element (symbol Li) with an atomic number of 3 and atomic weight of 6.94. It is a soft, silvery metal.
- (countable) A lithium battery.
- (pharmacology, uncountable) Lithium carbonate or other preparations of lithium metal used as a mood stabiliser to treat manic depression and bipolar disorders.
- a soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals
noun
- (countable) A single atom of this element.
- (uncountable) A metallic chemical element (symbol Mn) with an atomic number of 25, not a free element in nature but often found in minerals in combination with iron, and useful in industrial alloy production.
- a hard brittle grey polyvalent metallic element that resembles iron but is not magnetic; used in making steel; occurs in many minerals
noun
- (countable) A single atom of this element.
- A chemical element (symbol Nd) with an atomic number of 60: a hard, slightly malleable silvery rare earth metal that quickly tarnishes in air and moisture.
- a yellow trivalent metallic element of the rare earth group; occurs in monazite and bastnasite in association with cerium and lanthanum and praseodymium
noun
- (countable) A single atom of this element.
- A chemical element (symbol Os) with atomic number 76: a hard, brittle, heavy, bluish-white transition metal found as a trace element in alloys, mostly in platinum ores.
- a hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known
noun
- (countable) A single atom of this element.
- A chemical element (symbol Pd) with an atomic number of 46: a rare, lustrous silvery-white metal.
- A safeguard.
- a silver-white metallic element of the platinum group that resembles platinum; occurs in some copper and nickel ores; does not tarnish at ordinary temperatures and is used (alloyed with gold) in jewelry
noun
- (countable) A single atom of this element.
- A soft, waxy, silvery reactive metal that is never found unbound in nature; an element with atomic number 19 and atomic weight of 39.0983.
- a light soft silver-white metallic element of the alkali metal group; oxidizes rapidly in air and reacts violently with water; is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite
noun
- (countable) A single atom of this element.
- A metallic chemical element (symbol Re) with an atomic number of 75: a heavy, silvery-gray transition metal.
- a rare heavy polyvalent metallic element that resembles manganese chemically and is used in some alloys; is obtained as a by-product in refining molybdenum
noun
- (countable) A single atom of this element.
- (uncountable) The chemical element (symbol Rb) with an atomic number of 37. It is a soft, highly reactive alkali metal.
- a soft silvery metallic element of the alkali metal group; burns in air and reacts violently in water; occurs in carnallite and lepidolite and pollucite
noun
- (countable) A single atom of this element.
- The metallic chemical element (symbol Sr) with an atomic number of 38. It is a soft, reactive, silvery alkaline earth metal.
- a soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite
noun
- (countable) A single atom of this element.
- Alternative form of tellurion.
- (uncountable) The chemical element with atomic number 52. Symbol: Te. A rare, brittle, mildly toxic, silver-white metalloid.
- a brittle silver-white metalloid element that is related to selenium and sulfur; it is used in alloys and as a semiconductor; occurs mainly as tellurides in ores of copper and nickel and silver and gold
noun
- (countable) A single atom of this element.
- A chemical element, atomic number 22; it is a strong, corrosion-resistant transition metal, used to make light alloys for aircraft etc.
- a light strong grey lustrous corrosion-resistant metallic element used in strong lightweight alloys (as for airplane parts); the main sources are rutile and ilmenite
noun
- (countable) A single atom of this element.
- A chemical element (symbol V) with atomic number 23; it is a transition metal, used in the production of special steels.
- a soft silvery white toxic metallic element used in steel alloys; it occurs in several complex minerals including carnotite and vanadinite
noun
- (countable) A single atom of this element.
- A chemical element (symbol Zn) with an atomic number of 30, a blue-silvery metal that is slightly brittle at room temperature and tarnishes slightly in moist air.
- (Nigeria) A corrugated iron roof.
- a bluish-white lustrous metallic element; brittle at ordinary temperatures but malleable when heated; used in a wide variety of alloys and in galvanizing iron; it occurs naturally as zinc sulphide in zinc blende
verb
noun
- (chemistry, countable) A single atom of this element.
- (uncountable) The chemical element (symbol F) with an atomic number of 9. It is the lightest of the halogens, a pale yellow-green, highly reactive gas that attacks all metals.
- a nonmetallic univalent element belonging to the halogens; usually a yellow irritating toxic flammable gas; a powerful oxidizing agent; recovered from fluorite or cryolite or fluorapatite
noun
- (chemistry, countable) A single atom of this element.
- (chemistry, uncountable) A nonmetallic element (symbol Si) with an atomic number of 14 and atomic weight of 28.0855.
- Abbreviation of silicon chip.
- (slang) A computer processor.
- (slang) Computing.
- a tetravalent nonmetallic element; next to oxygen it is the most abundant element in the earth's crust; occurs in clay and feldspar and granite and quartz and sand; used as a semiconductor in transistors
noun
- (countable) An atom of this element.
- The chemical element with atomic number 20: a soft, silvery-white alkaline earth metal which occurs naturally as carbonate in limestone and as silicate in many rocks.
- a white metallic element that burns with a brilliant light; the fifth most abundant element in the earth's crust; an important component of most plants and animals
noun
- (countable) An atom of this element.
- A nonmetallic chemical element (symbol Ge) with an atomic number of 32: a lustrous, hard-brittle, grayish-white metalloid in the carbon group.
- a brittle grey crystalline element that is a semiconducting metalloid (resembling silicon) used in transistors; occurs in germanite and argyrodite
noun
- (countable) An atom of this element.
- (uncountable) The lightest chemical element (symbol H), with an atomic number of 1 and atomic weight of 1.008.
- (uncountable) Synonym of protium (“the lightest and most common isotope of hydrogen (sense 1; symbol H, ¹H, or 11H), as contrasted with deuterium and tritium”).
- (countable) A molecule of this molecular species.
- (uncountable) Molecular hydrogen (sense 1; symbol H₂), a colourless, odourless and flammable gas at room temperature.
- a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe
noun
- (countable) An atom of this element.
- (uncountable) The chemical element (symbol Kr) with an atomic number of 36. It is a colourless, odourless noble gas that only reacts with fluorine. It is one of the rarest gases in the Earth's atmosphere.
- a colorless element that is one of the six inert gasses; occurs in trace amounts in air
noun
- (countable) An atom of this element.
- (uncountable) A chemical element (symbol La) with an atomic number of 57: a soft, ductile, silvery-white metal that tarnishes slowly when exposed to air.
- a white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth
noun
- (countable) An atom of this element.
- The chemical element (symbol O) with an atomic number of 8 and relative atomic mass of 15.9994. It is a colorless and odorless gas. Sometimes called elemental oxygen to distinguish it from molecular oxygen.
- (medicine) A mixture of oxygen and other gases, administered to a patient to help them breathe.
- (figurative) A condition or environment in which something can thrive.
- (loose but very common, even in formal use) Molecular oxygen (O₂), a colorless, odorless gas at room temperature.
- a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust
noun
- A minute particle; an atom; a molecule.
- A protoplasmic animal cell; especially, such as float free, like blood, lymph, and pus corpuscles; or such as are embedded in an intercellular matrix, like connective tissue and cartilage corpuscles.
- either of two types of cells (erythrocytes and leukocytes) and sometimes including platelets
- (nontechnical usage) a tiny piece of anything
noun
- (countable) An atom of this element, in reference to a molecule containing it.
- (uncountable) The chemical element (symbol C) with an atomic number of 6. It can be found in pure form for example as graphite, a black, shiny and very soft material, or diamond, a colourless, transparent, crystalline solid and the hardest known material.
- Soot.
- A carbon rod or pencil used in an arc lamp.
- A fossil fuel that is made of impure carbon such as coal or charcoal.
- (informal) Ellipsis of carbon fiber (reinforced polymer).
- A plate or piece of carbon used as one of the elements of a voltaic battery.
- (ecology, climate change, uncountable) Ellipsis of carbon dioxide.
- Especially, hardened soot as a caked-on deposit.
- (countable, informal) A sheet of carbon paper.
- (countable, informal) A carbon copy.
- a thin paper coated on one side with a dark waxy substance (often containing carbon); used to transfer characters from the original to an under sheet of paper
- a copy made with carbon paper
- an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds
verb
noun
- (chemistry, physics) The smallest possible amount of matter which still retains its identity as a chemical element, now known to consist of a nucleus surrounded by electrons.
- (Canada, usually attributive) An age group division in hockey for nine- to eleven-year-olds.
- (philosophy) In logical atomism, a fundamental fact that cannot be further broken down.
- (historical) The smallest medieval unit of time, equal to fifteen ninety-fourths of a second.
- (programming, Microsoft Windows) An integer representing a particular string.
- (now generally regarded figuratively) The smallest, indivisible constituent part or unit of something.
- A mote of dust in a sunbeam.
- (mathematics) A non-zero member of a partially ordered set that has only zero below it (assuming that the poset has a least element, its "zero").
- A very small amount; a whit.
- (programming, Lisp) An individual number or symbol, as opposed to a list; a scalar value.
- (mathematics, set theory) An element of a set that is not itself a set; an urelement.
- (history of science) A hypothetical particle posited by Greek philosophers as an ultimate and indivisible component of matter.
- (physics and chemistry) the smallest component of an element having the chemical properties of the element
- (nontechnical usage) a tiny piece of anything
noun
- (chemistry) an atom having a valence of one
- a singular metaphysical entity from which material properties are said to derive
- (biology) a single-celled microorganism (especially a flagellate protozoan)
- (botany) A single individual (such as a pollen grain) that is free from others, not united in a group.
- A group of entities or items treated as one entity.
- (category theory) A monoid object in the category of endofunctors of a fixed category.
- (functional programming) A data type which represents a specific form of computation, along with the operations "return" and "bind".
- One thing, one being, one item.
- (philosophy) An ultimate atom, or simple, unextended point; something ultimate and indivisible.
noun
- (countable) A single particle of a substance.
- Temper; natural disposition; inclination.
- The metric, carat, or pearl grain of ¹⁄₄ carat used for measuring precious stones and pearls, now exactly 50 mg.
- An iron fish spear or harpoon, with a number of points half-barbed inwardly.
- (uncountable) A linear texture of a material or surface.
- (countable, uncountable) The crops from which grain is harvested.
- (photography, videography) Visual texture in processed photographic film due to the presence of small particles of a metallic silver, or dye clouds, developed from silver halide that have received enough photons.
- One of the branches of a valley or river.
- (botany) A rounded prominence on the back of a sepal, as in the common dock.
- (in the plural) The remains of grain, etc., after brewing or distillation; hence, any residuum.
- (historical) The French grain of ¹⁄₉₂₁₆ livre, equivalent to 53.11 mg at metricization and equal to exactly 54.25 mg from 1812–1839 as part of the mesures usuelles.
- (dialectal, anatomy) The fangs of a tooth.
- (materials) A region within a material having a single crystal structure or direction.
- (countable) A single seed of grass food crops.
- (dialectal, anatomy) The groin; crotch.
- A branch of a tree; a stalk or stem of a plant; an offshoot.
- (countable, chiefly historical) Any of various small units of length originally notionally based on a grain's width, variously standardized at different places and times.
- (uncountable) The harvested seeds of various grass food crops eg: wheat, corn, barley.
- The hair side of a piece of leather, or the marking on that side.
- (dialectal) A fork in a river valley or ravine.
- A blade of a sword, knife, etc.
- (founding) A thin piece of metal, used in a mould to steady a core.
- (uncountable) Similar seeds from any food crop, e.g., buckwheat, amaranth, quinoa.
- (countable, historical) The carat grain of ¹⁄₄ carat as a measure of gold purity, creating a 96-point scale between 0% and 100% purity.
- An arm of a cross.
- A reddish dye made from the coccus insect, or kermes; hence, a red color of any tint or hue, as crimson, scarlet, etc.; sometimes used by the poets as equivalent to Tyrian purple.
- (dialectal) The branch of a family; clan.
- (astronautics) The solid piece of fuel in an individual solid-fuel rocket engine.
- The English grain of ¹⁄₅₇₆₀ troy pound or ¹⁄₇₀₀₀ pound avoirdupois, now exactly 64.79891 mg.
- (dialectal) A branch or arm of a stream, inlet, or sea.
- the physical composition of something (especially with respect to the size and shape of the small constituents of a substance)
- the direction, texture, or pattern of fibers found in wood or leather or stone or in a woven fabric
- the smallest possible unit of anything
- a cereal grass
- foodstuff prepared from the starchy grains of cereal grasses
- a weight unit used for pearls or diamonds: 50 mg or 1/4 carat
- 1/60 dram; equals an avoirdupois grain or 64.799 milligrams
- the side of leather from which the hair has been removed
- dry seed-like fruit produced by the cereal grasses: e.g. wheat, barley, Indian corn
- a relatively small granular particle of a substance
- 1/7000 pound; equals a troy grain or 64.799 milligrams
verb
- (transitive) To make granular; to form into grains.
- (transitive) To feed grain to.
- To texture a surface in imitation of the grain of a substance such as wood.
- (tanning) To soften leather.
- To yield fruit.
- (tanning) To remove the hair or fat from a skin.
- (intransitive) To form grains, or to assume a granular form, as the result of crystallization; to granulate.
- paint (a surface) to make it look like stone or wood
- thoroughly work in
- become granular
- form into grains
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adj
- Pertaining to the nucleus of an atom.
- of or relating to or constituting the nucleus of an atom
- Involving energy released by nuclear reactions (fission, fusion, radioactive decay).
- (biology) Pertaining to the nucleus of a cell.
- Relating to, being of, or comprising the nuclear family.
- Having nuclear weapons.
- (by extension, figurative, of a solution or response) Involving an extreme course of action, or one with severe consequences.
- Relating to a weapon that derives its force from rapid release of energy through nuclear reactions.
- (weapons) deriving destructive energy from the release of atomic energy
- of or relating to or constituting the nucleus of a cell
- constituting or like a nucleus