deuterium

Valid in Scrabble

Pronunciation

/djuːˈtɪəɹɪəm/ (UK)

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/djuːˈtɪəɹɪəm/ (UK) · /dʒuːˈtɪəɹɪəm/ (UK) · /djuːˈtɪɹi.əm/ (US)

Definition of deuterium

2 senses · 1 part of speech · etymology included

noun

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

“Heavy water is "heavy" because it contains deuterium.”

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noun

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

“Heavy water is "heavy" because it contains deuterium.”
(countable)An atom of this isotope.

“There were about 80 deuteriums for every million protiums, and virtually no tritium.”

Definitions from Wiktionary, CC BY-SA.

From deutero- + -ium. Coined by American physical chemist Harold Urey, from Ancient Greek δεύτερος (deúteros, “second”).

158 playable · top: DEMERIT (10 pts)

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