deuterium
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deuterium
- /djuːˈtɪəɹɪəm/ UK
- /dʒuːˈtɪəɹɪəm/ UK
- /djuːˈtɪɹi.əm/ US
Rhymes with -ɪəɹiəm
Where it comes from
From deutero- + -ium. Coined by American physical chemist Harold Urey, from Ancient Greek δεύτερος (deúteros, “second”).
noun deuteriums
-
An isotope of hydrogen with one proton and one neutron in each atom - 21H.
Heavy water is "heavy" because it contains deuterium.
Similar: mul:H-2, mul:²H, hydrogen-2, hydrogen 2, heavy hydrogen
- An atom of this isotope. There were about 80 deuteriums for every million protiums, and virtually no tritium.
Translations
Every language
noun isotope of hydrogen — see also heavy hydrogen
| Español | deuterio |
|---|---|
| 한국어 | 중수소 jungsuso, 듀테륨 dyuteryum, 이중수소 ijungsuso |
| 日本語 | 重水素 jūsuiso |
| 中文 | 氘 dāo |
| हिन्दी | भारी उदजन bhārī udjan |
| Português | deutério |
| Français | deutérium |
| Deutsch | Deuterium |
| Italiano | deuterio |
| Ελληνικά | δευτέριο deftério |
| Română | deuteriu |
| Русский | дейте́рий dɛjtɛ́rij, дейте́рий dejtérij |
Talk about this word "deuterium." Wiktionary, via Micwyn, micwyn.com/word/deuterium. Accessed 6 Nov. 2026. deuterium. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/deuterium "deuterium." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/deuterium.Cite this
@misc{deuterium_2026,
title = {deuterium},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/deuterium},
urldate = {2026-11-06}
}
