hydrogen atom
English Thesaurus
1. an atom of hydrogen (noun.substance)
hypernym | : | atom, |
definition | : | (physics and chemistry) the smallest component of an element having the chemical properties of the element (noun.substance) |
hyponym | : | acid hydrogen, acidic hydrogen, |
definition | : | a hydrogen atom in an acid that forms a positive ion when the acid dissociates (noun.substance) |
hyponym | : | deuterium, heavy hydrogen, |
definition | : | an isotope of hydrogen which has one neutron (as opposed to zero neutrons in hydrogen) (noun.substance) |
part holonym | : | hydrogen ion, |
definition | : | a positively charged atom of hydrogen; that is to say, a normal hydrogen atomic nucleus (noun.object) |
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