hydrogen atom 1
noundomain: substance
Princeton WordNet [ver.3.1]
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EnglishDefinition
an atom of hydrogen
Hypernym
atom 1
noun
(physics and chemistry) the smallest component of an element having the chemical properties of the element
Part_meronym
hydrogen ion 1
noun
a positively charged atom of hydrogen; that is to say, a normal hydrogen atomic nucleus
EnglishHyponym
a hydrogen atom in an acid that forms a positive ion when the acid dissociates
deuterium 1
noun
an isotope of hydrogen which has one neutron (as opposed to zero neutrons in hydrogen)
Part_holonym
hydrogen ion 1
noun
a positively charged atom of hydrogen; that is to say, a normal hydrogen atomic nucleus
