DEUTERIUM

deuterium, heavy hydrogen

(noun) an isotope of hydrogen which has one neutron (as opposed to zero neutrons in hydrogen)

Source: WordNet® 3.1

Etymology

Noun

deuterium (plural deuteriums)

(isotope) An isotope of hydrogen formed of one proton and one neutron in each atom - ²₁H.

An atom of this isotope.

Synonyms

• heavy hydrogen

• D (chemical symbol)

Hypernyms

• hydrogen

Coordinate terms

• (isotopes of hydrogen): protium, tritium, quadrium

Source: Wiktionary

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