doubleton
dyad
intersect
double
pair
union
Cartesian product
intersection
product
dual
interelement
binary
duodecillionth
quintuplicate
twofold
inhabited
mediety
bicomponent
moiety
apposition
bipartite
two-way
two-piece
mate
bidoped
two-part
one-half
dyadic
half
element
multiple
symmetric difference
direct product
bisected
scheme
multinumber
myriad
system
overlap
homodisubstituted
twain
lap joint
bimaterial
two-thirds
lattice
bind
nonempty
biset
composite
transversal
intricate
half and half
impure
singleton
two
pseudomonomerous
bipartile
complement
conformation
compound
combinate
triple
stratum
couplet
homointerface
duad
ordering
twosome
order
quintillionth
ordination
structure
duo
span
duet
couple
distich
yoke
brace
non-empty
multistage
duple
member
sixty-second
integral
coinoculated
subsymmetrical
aggregate
double
interelement
binary
twofold
inhabited
bicomponent
bipartite
two-way
two-piece
bidoped
two-part
dyadic
bisected
dual
myriad
homodisubstituted
twain
bimaterial
nonempty
composite
intricate
impure
pseudomonomerous
bipartile
triple
non-empty
multistage
half
compound
duple
integral
coinoculated
subsymmetrical
half and half
doubleton
dyad
pair
union
Cartesian product
intersection
product
dual
duodecillionth
quintuplicate
mediety
moiety
apposition
mate
one-half
half
element
multiple
symmetric difference
direct product
scheme
multinumber
system
lap joint
two-thirds
lattice
biset
transversal
singleton
complement
conformation
compound
combinate
twain
stratum
couplet
homointerface
duad
ordering
twosome
order
quintillionth
ordination
structure
duo
span
duet
couple
distich
yoke
brace
member
sixty-second
aggregate
intersect
overlap
bind
noun
- A set of two elements treated as one; a pair.
- A tensor of order two and rank one.
- An element, atom, or radical having a valence of or combining power of two.
- A chromosome structure, usually X- or V-shaped, consisting of two condensed sister chromatids joined by a centromere.
- Two persons in an ongoing relationship; dyadic relationship.
- The relationship or interaction itself in reference to a couple.
- Any set of two different pitch classes.
- A secondary unit of organisation consisting of an aggregate of monads.
adj
- Made up of two matching or complementary elements.
- Folded in two; composed of two layers.
- Having two aspects; ambiguous.
- False, deceitful, or hypocritical.
- Stooping; bent over.
- Of flowers, having more than the normal number of petals.
- Of twice the quantity.
- Of time, twice as fast.
- Of a family relationship, related on both the maternal and paternal sides of a family.
- Designed for two users.
- Of an instrument, sounding an octave lower.
adv
verb
- To get a two-base hit.
- To act as substitute for (another theatrical performer in a certain role, etc).
- To serve a second role or have a second purpose.
- To turn sharply, following a winding course.
- To increase by 100%, to become twice as large in size.
- To fold over so as to make two folds.
- To operate as a double agent.
- To be the double of; to exceed by twofold; to contain or be worth twice as much as.
- (often followed by together or up) To join or couple.
- To be capable of performing (upon an additional instrument).
- To play (both one part and another, in the same play, etc).
- To double down.
- To multiply by two.
- (sometimes followed by up) To clench (a fist).
- To make a call that will double certain scoring points if the preceding bid becomes the contract.
- To transmit simultaneously on the same channel as another station, either unintentionally or deliberately, causing interference.
- To multiply the strength or effect of by two.
- To duplicate (a part) either in unison or at the octave above or below it.
- To unite, as ranks or files, so as to form one from each two.
- To repeat exactly; copy.
- To sail around (a headland or other point).
- To go or march at twice the normal speed.
- To cause (a ball) to rebound from a cushion before entering the pocket.
noun
- The narrow outermost ring on a dartboard.
- Twice the number, amount, size, etc.
- A ghostly apparition of a living person; a doppelgänger.
- A two-base hit.
- A strike in which the object ball is struck so as to make it rebound against the cushion to an opposite pocket.
- Playing the same part on two instruments, alternately.
- A sharp turn, especially a return on one's own tracks.
- Synonym of double-quick (“fast marching pace”)
- A bet on two horses in different races in which any winnings from the first race are placed on the horse in the later race.
- A double-precision floating-point number.
- A former French coin worth one-sixth of a sou.
- A call that increases certain scoring points if the last preceding bid becomes the contract.
- A double feast.
- A redundant item for which an identical item already exists.
- A tile that has the same value (i.e., the same number of pips) on both sides.
- A person who resembles and stands in for another person, often for safety purposes
- Two competitions, usually one league and one cup, won by the same team in a single season.
- A drink with two portions of alcohol.
- A hit on this ring.
- A boat for two scullers.
- The feat of scoring twice in one game.
- The feat of winning two events in a single meet or competition.
- A copper coin worth one-eighth of a penny.
noun
- One of the constituent items that make up a pair.
- A couple of working animals attached to work together, as by a yoke.
- A boat for two sweep rowers.
- A score of zero runs (a duck) in both innings of a two-innings match.
- Used with binary nouns (often in the plural to indicate multiple instances, since such nouns are plural only, except in some technical contexts)
- A double play, two outs recorded in one play.
- The exclusion of one member of a parliamentary party from a vote, if a member of the other party is absent for important personal reasons.
- Two similar or identical things taken together; often followed by of.
- Two members of opposite parties or opinion, as in a parliamentary body, who mutually agree not to vote on a given question, or on issues of a party nature during a specified time.
- In a mechanism, two elements, or bodies, which are so applied to each other as to mutually constrain relative motion; named in accordance with the motion it permits, as in turning pair, sliding pair, twisting pair.
- A doubleheader, two games played on the same day between the same teams
- A poker hand that contains two cards of identical rank, which cannot also count as a better hand.
- A pair of breasts
- A pair of testicles
- Two people in a relationship, partnership or friendship.
verb
- To engage (oneself) with another of opposite opinions not to vote on a particular question or class of questions.
- To group into one or more sets of two.
- To bring two (animals, notably dogs) together for mating.
- To suit; to fit, as a counterpart.
- To come together for mating.
- to link two electronic devices wirelessly together, especially through a protocol such as Bluetooth
noun
- The set containing all of the elements of two or more sets.
- An affiliation of several parishes for joint support and management of their poor; also the jointly-owned workhouse.
- That which is united, or made one; something formed by a combination or coalition of parts or members; a confederation; a consolidated body; a league.
- A data structure that can store any of various types of item, but only one at a time.
- The act of uniting or joining two or more things into one.
- A trade union; a workers' union.
- An association of students at a university for social and/or political purposes; also in some cases a debating body.
- A joint or other connection uniting parts of machinery, such as pipes.
- The act or state of marriage.
- The state of being united or joined; a state of unity or harmony.
verb
adj
noun
- the set of elements common to two or more sets
- a point where lines intersect
- a junction where one street or road crosses another
- a point or set of points common to two or more geometric configurations
- a representation of common ground between theories or phenomena
- the act of intersecting (as joining by causing your path to intersect your target's path)
noun
- the set of elements common to two or more sets
- items for sale to the individual consumer
- an artifact that has been created by someone or some process
- a quantity obtained by multiplication
- a chemical substance formed as a result of a chemical reaction
- a consequence of someone's efforts or of a particular set of circumstances
noun
- Of an item that is one of a pair, the other item in the pair.
- Of a vector in an inner product space, the linear functional corresponding to taking the inner product with that vector. The set of all duals is a vector space called the dual space.
- The dual number.
- Of a regular polyhedron with V vertices and F faces, the regular polyhedron having F vertices and V faces.
adj
- Characterized by having two (usually equivalent) components.
- Pertaining to a grammatical number in certain languages that refers to two of something, such as a pair of shoes.
- Exhibiting duality.
- Being the dual of some other category; containing the same objects but with source and target reversed for all morphisms.
- Being the space of all linear functionals of (some other space).
- Pertaining to two, pertaining to a pair of.
verb
adj
- Having two equally important parts; related to something with two parts.
- Of an operation, function, procedure, or logic gate, taking exactly two operands, arguments, parameters, or inputs; having domain of dimension 2.
- Focusing on two mutually exclusive conditions.
- Concerning logic whose subject matter concerns binary states.
- Being in one of two mutually exclusive states.
- Of data, consisting coded values (e.g. machine code) not interpretable as plain or ASCII text (e.g. source code).
- Concerning numbers and calculations using the binary number system.
noun
- Synonym of binary asteroid.
- Synonym of binary star.
- Synonym of binary file; a file consisting of data other than human-readable text.
- Synonym of binary planet.
- The bijective base-2 numeral system, which uses only the digits 0 and 1.
- A state in which only two values are possible, in which something must have one value or the other.
noun
- A placing of two things side by side, or the fitting together of two things.
- A public disputation by scholars.
- The growth of successive layers of a cell wall.
- Appositio, the addition of an element not syntactically required.
- The relationship between such nouns or noun phrases.
- The quality of being side-by-side, apposed instead of being opposed, not being front-to-front but next to each other.
- A construction in which one noun or noun phrase is placed with another as an explanatory equivalent, both of them having the same syntactic function in the sentence.
- A (now purely ceremonial) speech day at St Paul's School, London.
noun
- The other member of a matched pair of objects.
- Friendly term of address to a stranger, usually male, of similar age.
- A technical assistant in certain trades (e.g. gasfitter's mate, plumber's mate); sometimes an apprentice.
- A breeding partner.
- In naval ranks, a non-commissioned officer or his subordinate (e.g. Boatswain's Mate, Gunner's Mate, Sailmaker's Mate, etc).
- A ship's officer, subordinate to the master on a commercial ship.
- A suitable companion; a match; an equal.
- A first mate.
- A friend, usually of the same sex.
- A fellow, comrade, colleague, partner or someone with whom something is shared, e.g. shipmate, classmate.
- The abovementioned plant; the leaves and shoots used for the tea
verb
- To arrange in matched pairs.
- To copulate with.
- To match, fit together without space between.
- To introduce (animals) together for the purpose of breeding.
- To match oneself against; to oppose as equal; to compete with.
- To move (a space shuttle orbiter) onto the back of an aircraft that can carry it.
- To come together as companions, comrades, partners, etc.
- To copulate.
- To marry; to match (a person).
- To pair in order to raise offspring.
- To fit (objects) together without space between.
noun
- One of the objects in a set.
- A small part of the whole.
- A required aspect or component of a cause of action. A deed is regarded as a violation of law only if each element can be proved.
- Atmospheric forces such as strong winds and rains.
- Any one of the simplest chemical substances that cannot be decomposed in a chemical reaction or by any chemical means and made up of atoms all having the same number of protons.
- An orbital element; one of the parameters needed to uniquely specify a particular orbit.
- One of the four basic building blocks of matter in theories of ancient philosophers and alchemists: water, earth, fire, and air.
- A basic, simple substance out of which something is made, raw material.
- The basic principles of a field of knowledge, basics, fundamentals, rudiments.
- One of the simplest or essential parts or principles of which anything consists, or upon which the constitution or fundamental powers of anything are based.
- A small but present amount of a quality, a hint.
- A group of people within a larger group having a particular common characteristic.
- One of the conceptual objects in a markup language, usually represented in text by tags.
- A factor, one of the conditions contributing to a result.
- Any of the teeth of a zip fastener.
- A component in electrical equipment, often in the form of a coil, having a high resistance, thereby generating heat when a current is passed through it.
- An infinitesimal interval of a quantity, a differential.
- The bread and wine taken at Holy Communion.
- A place or state of being that an individual or object is best suited to.
- One of the entries of a matrix.
noun
- One of a set of the same thing; a duplicate.
- A whole number that can be divided by another number with no remainder.
- A single individual who has multiple personalities.
- One of a set of siblings produced by a multiple birth.
- A discovery resulting from the work of many people throughout history, not merely the work of the person who makes the final connection.
- Price-earnings ratio.
- A chain store.
- More than one piercing in a single ear.
adj
noun
- The set of all possible tuples whose elements are elements of given, separately specified, sets.
- Such a set of tuples formed from two or more groups, forming another group whose group operation is the component-wise application of the original group operations and of which the original groups are normal subgroups.
- Such a set of tuples formed from two or more rings, forming another ring whose operations arise from the component-wise application of the corresponding original ring operations.
- A topological space analogously formed from two or more (up to an infinite number of) topological spaces.
- A high-level generalization of the preceding that applies to objects in an arbitrary category and produces a new object constructable by morphisms from each of the original objects.
- Any of a number of mathematical objects analogously derived from a given ordered set of objects.
noun
- a group of independent but interrelated elements comprising a unified whole
- an elaborate and systematic plan of action
- a statement that evades the question by cleverness or trickery
- an internal representation of the world; an organization of concepts and actions that can be revised by new information about the world
- a schematic or preliminary plan
verb
noun
- a group of independent but interrelated elements comprising a unified whole
- instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity
- (physical chemistry) a sample of matter in which substances in different phases are in equilibrium
- a complex of methods or rules governing behavior
- an organized structure for arranging or classifying
- a group of physiologically or anatomically related organs or parts
- a procedure or process for obtaining an objective
- the living body considered as made up of interdependent components forming a unified whole
- an ordered manner; orderliness by virtue of being methodical and well organized
verb
- Of sets: to have some elements in common.
- To have an area, range, character or function in common.
- To have some similar nucleotide sequences.
- To extend over and partly cover something.
noun
- Something that overlaps or is overlapped
- a situation in the game where an attacking line has more players in it than the defensive line coming to meet it. The attacking side may exploit the overlap by using their superior numbers to break the opposition's defensive line. If attackers outnumber defenders by more than one player this is often termed a two man overlap or three man overlap, etc. If the attacking side fails to break through usually due to poor execution, they are said to waste an overlap.
- The payment of a spouse's or other dependant's annuity benefits concurrently with the member's benefits, on death of the member during the guarantee period.
noun
- A partially ordered set in which every pair of elements has a unique supremum and a unique infimum.
- A regular spacing or arrangement of geometric points, often decorated with a motif.
- A discrete subgroup of Rⁿ which is isomorphic to Zⁿ (considered as an additive group) and spans the real vector space Rⁿ.
- A flat panel constructed with widely-spaced crossed thin strips of wood or other material, commonly used as a garden trellis.
- A bearing with vertical and horizontal bands that cross each other.
- A discrete subgroup L of a given locally compact group G whose quotient space G/L has finite invariant measure.
- A model of the tuning relationships of a just intonation system, comprising an array of points in a periodic multidimensional pattern.
verb
verb
- To make two or more elements stick together.
- To oblige, restrain, or hold, by authority, law, duty, promise, vow, affection, or other social tie.
- To put together in a cover, as of books.
- To process one or more object modules into an executable program.
- To place under legal obligation to serve.
- To cover, as with a bandage.
- To associate an identifier with a value; to associate a variable name, method name, etc. with the content of a storage location.
- To exert a binding or restraining influence.
- To tie or fasten tightly together, with a cord, band, ligature, chain, etc.
- To tie; to confine by any ligature.
- To couple.
- To confine, restrain, or hold by physical force or influence of any kind.
- To protect or strengthen by applying a band or binding, as the edge of a carpet or garment.
- To cohere or stick together in a mass.
- To be restrained from motion, or from customary or natural action, as by friction.
- To put (a person) under definite legal obligations, especially, under the obligation of a bond or covenant.
- To complain; to whine about something.
- To wear a binder so as to flatten one's chest to give the appearance of a flat chest, usually done by trans men.
noun
- That which binds or ties.
- A troublesome situation; a problem; a predicament or quandary.
- The indurated clay of coal mines.
- A ligature or tie for grouping notes.
- Any twining or climbing plant or stem, especially a hop vine; a bine.
- A strong grip or stranglehold on a position, which is difficult for the opponent to break.
adv
adj
noun
- A mixture of half lemonade and half iced tea.
- A mixture of cream and milk often used in coffee, defined by the US Food and Drug Administration to contain between 10.5% and 18% milk fat.
- Both oral sex and vaginal sex performed in sequence by a prostitute
- A cup of coffee with the equivalent of half a packet of sugar and half a creamer of cream.
- A combination of both rice and chips as an accompaniment to a curry, as opposed to one or the other.
- A mixture of two alcoholic beverages, most frequently those brewed from malt, such as porter and ale or mild and bitter beers, in about equal parts; also used for equal parts of an alcoholic beverage and water.
- A pizza with two different sets of toppings, one on each half.
- A person of mixed race or with dual nationality.
- A combination of beer and ale (or similar alcoholic drinks) in equal quantities.
noun
- A set with exactly one element.
- A single consonant, as opposed to a geminated consonant.
- A single object, especially one of a group.
- A playing card that is the only one of its suit in a hand, especially at bridge.
- A person without a romantic partner.
- A hand containing only one card of a certain suit.
- A child or animal that is born singly, not as a twin or other multiple birth.
- A person without a dissociative identity.
- A class that may not be instantiated more than once, i.e. that implements the singleton design pattern.
noun
- Given two sets, the set containing one set's elements that are not members of the other set (whether a relative complement or an absolute complement).
- Fullness (of the moon).
- A nucleotide sequence in which each base is replaced by the complementary base of the given sequence: adenine (A) by thymine (T) or uracil (U), cytosine (C) by guanine (G), and vice versa.
- An angle which, together with a given angle, makes a right angle.
- Something which completes, something which combines with something else to make up a complete whole; loosely, something perceived to be a harmonious or desirable partner or addition.
- A word or group of words that completes a grammatical construction in the predicate and that describes or is identified with the subject or object.
- A voltage level with the opposite logical sense to the given one.
- A bit with the opposite value to the given one; the logical complement of a number.
- One of several blood proteins that work with antibodies during an immune response.
- Obsolete spelling or misspelling of compliment.
- The radix complement of a number; the two's complement of a binary number.
- The whole working force of a vessel.
- An interval which, together with the given interval, makes an octave.
- The diminished radix complement of a number; the nines' complement of a decimal number; the ones' complement of a binary number.
- The numeric complement of a number.
- Synonym of alexin
- An expression related to some other expression such that it is true under the same conditions that make other false, and vice versa.
- The color which, when mixed with the given color, gives black (for mixing pigments) or white (for mixing light).
- The totality, the full amount or number which completes something.
verb
noun
- a whole formed by a union of two or more elements or parts
- (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight
- an enclosure of residences and other building (especially in the Orient)
- a word (as anthropology, kilocycle, builder) consisting of any of various combinations of words, combining forms, or affixes.
adj
- consisting of two or more substances or ingredients or elements or parts
- composed of many distinct individuals united to form a whole or colony
verb
- make more intense, stronger, or more marked
- put or add together
- calculate principal and interest
- create by mixing or combining
- combine so as to form a whole; mix
adj
adj
- Made up of three related elements, often matching
- Having three aspects.
- Of three times the quantity.
- Designed for three users.
- Folded in three; composed of three layers.
- Of time, three times as fast as very fast.
noun
- Three times or thrice the number, amount, size, etc..
- A hamburger with three patties.
- A three-base hit.
- A three-point field goal.
- A drink with three portions of alcohol.
- A takeout shot in which three stones are removed from play.
- A sequence of three elements or 3-tuple.
verb
noun
- One of several parallel horizontal layers of material arranged one on top of another.
- A layer of sedimentary rock having approximately the same composition throughout.
- Any of the regions of the atmosphere, such as the stratosphere, that occur as layers.
- A class of society composed of people with similar social, cultural, or economic status.
- A layer of vegetation, usually of similar height.
- The level of accuracy of a computer's clock, relative to others on the network.
- A layer of tissue.
noun
- logical or comprehensible arrangement of separate elements
- (often plural) a command given by a superior (e.g., a military or law enforcement officer) that must be obeyed
- a degree in a continuum of size or quantity
- established customary state (especially of society)
- a condition of regular or proper arrangement
- a legally binding command or decision entered on the court record (as if issued by a court or judge)
- a commercial document used to request someone to supply something in return for payment and providing specifications and quantities
- a formal association of people with similar interests
- a body of rules followed by an assembly
- a group of person living under a religious rule
- (biology) taxonomic group containing one or more families
- a request for something to be made, supplied, or served
- (architecture) one of original three styles of Greek architecture distinguished by the type of column and entablature used or a style developed from the original three by the Romans
- the act of putting things in a sequential arrangement
verb
- give instructions to or direct somebody to do something with authority
- make a request for something
- issue commands or orders for
- bring into conformity with rules or principles or usage; impose regulations
- bring order to or into
- place in a certain order
- appoint to a clerical posts
- arrange thoughts, ideas, temporal events
- assign a rank or rating to
noun
- A cohesive whole built up of distinct parts.
- The overall form or organization of something.
- The underlying shape of a solid.
- Underwater terrain or objects (such as a dead tree or a submerged car) that tend to attract fish
- A body, such as a political party, with a cohesive purpose or outlook.
- A set along with a collection of finitary functions and relations.
- Several pieces of data treated as a unit.
- A set of rules defining behaviour.
verb
noun
- two items of the same kind
- the complete duration of something
- the distance or interval between two points
- a unit of length based on the width of the expanded human hand (usually taken as 9 inches)
- a structure that allows people or vehicles to cross an obstacle such as a river or canal or railway etc.
- the act of sitting or standing astride
verb
noun
- two items of the same kind
- fabric comprising a fitted part at the top of a garment
- an oppressive power
- a pair of draft animals joined by a yoke
- support consisting of a wooden frame across the shoulders that enables a person to carry buckets hanging from each end
- a connection (like a clamp or vise) between two things so they move together
- stable gear that joins two draft animals at the neck so they can work together as a team
verb
noun
- two items of the same kind
- a support that steadies or strengthens something else
- a set of two similar things considered as a unit
- either of two punctuation marks ({ or }) used to enclose textual material
- a rope on a square-rigged ship that is used to swing a yard about and secure it
- elastic straps that hold trousers up
- an appliance that corrects dental irregularities
- a carpenter's tool having a crank handle for turning and a socket to hold a bit for boring
- a structural member used to stiffen a framework
verb
noun
- An element of a set.
- A file stored within an archive file.
- the judge or adjudicator in a consumer court.
- The penis.
- A part of a whole.
- Part of an animal capable of performing a distinct office; an organ; a limb.
- One who officially belongs to a group.
- Either of the two parts of an algebraic equation, connected by the equality sign.
- A part of a discourse or of a period, sentence, or verse; a clause.
- One of the propositions making up a syllogism.
- A function or piece of data associated with each separate instance of a class.
- friend
adj
- Constituting a whole together with other parts or factors; not omittable or removable
- Of, pertaining to, or being an integer.
- Relating to integration.
noun
- A definite integral: the result of the application of such an operation onto a function and a suitable subset of the function's domain: either a number or positive or negative infinity. In the former case, the integral is said to be finite or to converge; in the latter, the integral is said to diverge. In notation, the domain of integration is indicated either below the sign, or, if it is an interval, with its endpoints as sub- and super-scripts, and the function being integrated forming part of the integrand (or, generally, differential form) appearing in front of the integral sign.
- One of the two fundamental operations of calculus (the other being differentiation), whereby a function's displacement, area, volume, or other qualities arising from the study of infinitesimal change are quantified, usually defined as a limiting process on a sequence of partial sums. Denoted using a long s: ∫, or a variant thereof.
- Any of several analytic formalizations of this operation: the Riemann integral, the Lebesgue integral, etc.
- An indefinite integral: the result of the application of such an operation onto a function together with an indefinite domain, yielding a function; a function's antiderivative;
English words for 'A set containing precisely two elements.'
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