deuterium
deu·te·ri·um
deuterium · deuteriums
дейтерий
Deuterium
An isotope of hydrogen with one proton and one neutron in each atom - 21HAn isotope of hydrogen with one proton and one neutron in each atom - 21H.
UK/djuːˈtɪəɹɪəm/US/djuːˈtɪɹi.əm/
Meaning
2 senses(uncountable)An isotope of hydrogen with one proton and one neutron in each atom - 21H.
Heavy water is "heavy" because it contains deuterium.
Deuterium
дейте́рийdɛjtɛ́rij, дейте́рийdejtérij
an isotope of hydrogen which has one neutron (as opposed to zero neutrons in hydrogen)
(countable)An atom of this isotope.
There were about 80 deuteriums for every million protiums, and virtually no tritium.
Translations
8 languagesРусский
By meaning 1
isotope of hydrogen — see also heavy hydrogen:
Deutsch
By meaning 1
isotope of hydrogen — see also heavy hydrogen:
Origin
From deutero- + -ium. Coined by American physical chemist Harold Urey, from Ancient GreekFrom deutero- + -ium. Coined by American physical chemist Harold Urey, from Ancient Greek δεύτερος (deúteros, “second”).
Wiktionary, CC BY-SA 4.0 · source
Forms
plural: deuteriums| Singular | deuterium |
|---|---|
| Plural | deuteriums |
regular
Synonyms
5 synonymshydrogen-2heavy hydrogenmul:H-2mul:²Hhydrogen 2
Close in meaning
- an isotope of hydrogen which has one neutron (as opposed to zero neutrons in hydrogen):heavy hydrogen
Word family
5 related wordsLessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable