deuterium
Syllables: deu·te·ri·um/djuːˈtɪəɹɪəm/US/djuːˈtɪɹi.əm/
deuterium noun: an isotope of hydrogen with one proton and one neutron in each atom - 21H.

Noun
deuterium (countable and uncountable, plural deuteriums)
- An isotope of hydrogen with one proton and one neutron in each atom - 21H.
- Heavy water is "heavy" because it contains deuterium.
- Synonyms:
- hydrogen-2, hydrogen 2, heavy hydrogen
- An atom of this isotope.
- There were about 80 deuteriums for every million protiums, and virtually no tritium.
deuterium meaning in Hindi, Tamil, Bengali and Malay
deuterium in Hindi
- isotope of hydrogen — see also heavy hydrogen
- भारी उदजन bhārī udjan
deuterium in Tamil
- தூத்தேரியம், டியூட்டிரியம், துத்தேரியம்
deuterium in Bengali
- isotope of hydrogen — see also heavy hydrogen
- ডিউটেরিয়াম ḍiuṭeriẏam
deuterium in Malay
- isotope of hydrogen — see also heavy hydrogen
- deuterium
Synonyms of deuterium
Forms of deuterium
| plural | deuteriums |
|---|
Origin of deuterium
From deutero- + -ium. Coined by American physical chemist Harold Urey, from Ancient Greek δεύτερος (deúteros, “second”).
Words formed from deuterium
Words that rhyme with deuterium
- magisterium
- collyrium
- delirium
- imperium
- meitnerium
- psalterium
- apterium
- archaebacterium
- bacterium
- cerium
- corynebacterium
- criterium
7 more rhymesFewer rhymes
Questions about deuterium
- What does deuterium mean?
- Deuterium means an isotope of hydrogen with one proton and one neutron in each atom - 21H.
- What is deuterium in Hindi?
- Deuterium in Hindi is भारी उदजन (bhārī udjan). See Deuterium meaning in Hindi.
- What part of speech is deuterium?
- Deuterium is a noun.
- How do you pronounce deuterium?
- Deuterium is pronounced /djuːˈtɪəɹɪəm/ (UK).
- What is the plural of deuterium?
- The plural of deuterium is deuteriums.
Words near deuterium in the dictionary
Source and license
Adapted from Wiktionary: deuterium (page history and authors); deuterium (Tamil Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-deuterium.wav.
Cite this entry: “deuterium.” Word.ws, https://word.ws/deuterium. Based on Wiktionary, CC BY-SA 4.0.
