English words for 'Alternative spelling of hydrogen-4.'
Closest matches for "Alternative spelling of hydrogen-4." are ranked by semantic fit across dictionary definitions.
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noun
noun
- (uncountable) Molecular hydrogen (sense 1; symbol H₂), a colourless, odourless and flammable gas at room temperature.
- (countable) An atom of this element.
- (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”).
- (uncountable) The lightest chemical element (symbol H), with an atomic number of 1 and atomic weight of 1.008.
- (countable) A molecule of this molecular species.
- 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
- (chemistry) Used other than figuratively or idiomatically: see hydrogen, ion.: H⁻ or H⁺
- (chemistry) a proton combined with one or more water molecules; usually written H₃O⁺ and called the hydronium ion though is best considered as H₉O₄⁺ but is often written H⁺_((aq)) for simplicity
- (chemistry) a bare hydrogen nucleus; a proton, deuteron or triton
- a positively charged atom of hydrogen; that is to say, a normal hydrogen atomic nucleus
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- (uncountable) Molecular hydrogen (sense 1; symbol H₂), a colourless, odourless and flammable gas at room temperature.
- (countable) An atom of this element.
- (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”).
- (uncountable) The lightest chemical element (symbol H), with an atomic number of 1 and atomic weight of 1.008.
- (countable) A molecule of this molecular species.
- 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
- (chemistry) Used other than figuratively or idiomatically: see hydrogen, ion.: H⁻ or H⁺
- (chemistry) a proton combined with one or more water molecules; usually written H₃O⁺ and called the hydronium ion though is best considered as H₉O₄⁺ but is often written H⁺_((aq)) for simplicity
- (chemistry) a bare hydrogen nucleus; a proton, deuteron or triton
- a positively charged atom of hydrogen; that is to say, a normal hydrogen atomic nucleus