noun
Meaning 1
Synonym of deuterium.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: deuterium
Antonyms: none provided
Standard Lemma guide
hydrogen-2
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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No pronunciation record was provided for this word.
History
Etymology
So named because it is the isotope of hydrogen that has two nucleons (a proton and a neutron).