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
Recent Word Finds
Word of the Day
13 May 2025
DAZED
(adjective) in a state of mental numbness especially as resulting from shock; “he had a dazed expression on his face”; “lay semiconscious, stunned (or stupefied) by the blow”; “was stupid from fatigue”
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