deuterium
English
[edit]
Etymology
[edit]From deutero- + -ium. Coined by American physical chemist Harold Urey, from Ancient Greek δεύτερος (deúteros, “second”).
Pronunciation
[edit]- (UK) IPA(key): /djuːˈtɪəɹɪəm/, /dʒuːˈtɪəɹɪəm/
Audio (Southern England): (file) - (US) IPA(key): /djuːˈtɪɹi.əm/
- Hyphenation: deu‧te‧ri‧um
- Rhymes: -ɪəɹiəm
Noun
[edit]deuterium (countable and uncountable, plural deuteriums)
- (uncountable, physics) An isotope of hydrogen with one proton and one neutron in each atom - 21H.
- Alternative form: D (deprecated symbol)
- Synonyms: H-2, ²H, hydrogen-2, hydrogen 2, heavy hydrogen
- Hypernyms: hydrogen, H
- Coordinate terms: protium, H-1, ¹H, hydrogen-1, hydrogen 1, normal hydrogen, light hydrogen (1 nucleon); H-3, ³H, T, tritium, hydrogen-3, hydrogen 3 (3 nucleons); H-4, ⁴H, Q, quadrium, hydrogen-4, hydrogen 4 (4 nucleons); hyperhydrogen
- 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.
Usage notes
[edit]IUPAC recommends that the chemical symbol for deuterium should be 2H, rather than D;[1] to prevent problems in alphabetical sorting of formulae. Likewise, tritium should be called 3H, rather than T.
Derived terms
[edit]Related terms
[edit]Translations
[edit]
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Trivia
[edit]Natural hydrogen on Earth is about 150 parts per million deuterium, by number of atoms.
See also
[edit]References
[edit]Czech
[edit]Pronunciation
[edit]Noun
[edit]deuterium n
- deuterium (isotope of hydrogen)
Declension
[edit]Danish
[edit]Etymology
[edit]From Ancient Greek δεύτερος (deúteros) + -ium.
Noun
[edit]deuterium n (singular definite deuteriummet, not used in plural form)
Declension
[edit]| neuter gender |
singular | |
|---|---|---|
| indefinite | definite | |
| nominative | deuterium | deuteriummet |
| genitive | deuteriums | deuteriummets |
Dutch
[edit]Etymology
[edit]Borrowed from English deuterium. Coined by Harold Urey, an American chemist, from Ancient Greek δεύτερος (deúteros, “second”) + -ium.
Pronunciation
[edit]Noun
[edit]deuterium n (uncountable, no diminutive)
Derived terms
[edit]Finnish
[edit]Etymology
[edit]Internationalism (see English deuterium).
Pronunciation
[edit]- IPA(key): /ˈdeu̯terium/, [ˈde̞u̯t̪e̞ˌrium]
- Rhymes: -ium
- Syllabification(key): deu‧te‧ri‧um
- Hyphenation(key): deu‧te‧ri‧um
Noun
[edit]deuterium
Declension
[edit]| Inflection of deuterium (Kotus type 5/risti, no gradation) | |||
|---|---|---|---|
| nominative | deuterium | deuteriumit | |
| genitive | deuteriumin | deuteriumien | |
| partitive | deuteriumia | deuteriumeja | |
| illative | deuteriumiin | deuteriumeihin | |
| singular | plural | ||
| nominative | deuterium | deuteriumit | |
| accusative | nom. | deuterium | deuteriumit |
| gen. | deuteriumin | ||
| genitive | deuteriumin | deuteriumien | |
| partitive | deuteriumia | deuteriumeja | |
| inessive | deuteriumissa | deuteriumeissa | |
| elative | deuteriumista | deuteriumeista | |
| illative | deuteriumiin | deuteriumeihin | |
| adessive | deuteriumilla | deuteriumeilla | |
| ablative | deuteriumilta | deuteriumeilta | |
| allative | deuteriumille | deuteriumeille | |
| essive | deuteriumina | deuteriumeina | |
| translative | deuteriumiksi | deuteriumeiksi | |
| abessive | deuteriumitta | deuteriumeitta | |
| instructive | — | deuteriumein | |
| comitative | See the possessive forms below. | ||
Further reading
[edit]- “deuterium”, in Kielitoimiston sanakirja [Dictionary of Contemporary Finnish][1] (in Finnish) (online dictionary, continuously updated), Kotimaisten kielten keskuksen verkkojulkaisuja 35, Helsinki: Kotimaisten kielten tutkimuskeskus (Institute for the Languages of Finland), 2004–, retrieved 2 July 2023
Latin
[edit]Noun
[edit]deuterium n (genitive deuteriī or deuterī); second declension
Declension
[edit]Second-declension noun (neuter).
| singular | plural | |
|---|---|---|
| nominative | deuterium | deuteria |
| genitive | deuteriī deuterī1 |
deuteriōrum |
| dative | deuteriō | deuteriīs |
| accusative | deuterium | deuteria |
| ablative | deuteriō | deuteriīs |
| vocative | deuterium | deuteria |
1Found in older Latin (until the Augustan Age).
Malay
[edit]Etymology
[edit]From English hydrogen, from Ancient Greek δεύτερος (deúteros, “second”) + -ium.
Pronunciation
[edit]Noun
[edit]deuterium
- English terms derived from Proto-Indo-European
- English terms derived from the Proto-Indo-European word *dwóh₁
- English terms derived from the Proto-Indo-European root *dew-
- English terms derived from the Proto-Indo-European root *dews-
- English terms prefixed with deutero-
- English terms suffixed with -ium
- English terms coined by Harold Urey
- English coinages
- English terms derived from Ancient Greek
- English 3-syllable words
- English terms with IPA pronunciation
- English terms with audio pronunciation
- English 4-syllable words
- Rhymes:English/ɪəɹiəm
- Rhymes:English/ɪəɹiəm/4 syllables
- English lemmas
- English nouns
- English uncountable nouns
- English countable nouns
- en:Isotopes
- English terms with usage examples
- en:Deuterium
- en:Two
- Czech terms with IPA pronunciation
- Czech lemmas
- Czech nouns
- Czech neuter nouns
- Czech semisoft neuter nouns
- Czech nouns with regular foreign declension
- cs:Two
- Danish terms derived from Ancient Greek
- Danish terms suffixed with -ium
- Danish lemmas
- Danish nouns
- Danish neuter nouns
- Dutch terms borrowed from English
- Dutch terms derived from English
- Dutch terms derived from Ancient Greek
- Dutch terms with IPA pronunciation
- Dutch terms with audio pronunciation
- Rhymes:Dutch/eːriʏm
- Dutch lemmas
- Dutch nouns
- Dutch uncountable nouns
- Dutch neuter nouns
- Finnish internationalisms
- Finnish 4-syllable words
- Finnish terms with IPA pronunciation
- Rhymes:Finnish/ium
- Rhymes:Finnish/ium/4 syllables
- Finnish lemmas
- Finnish nouns
- fi:Isotopes
- Finnish risti-type nominals
- fi:Two
- Latin lemmas
- Latin nouns
- Latin second declension nouns
- Latin neuter nouns in the second declension
- Latin neuter nouns
- la:Two
- Malay terms derived from English
- Malay terms derived from Ancient Greek
- Malay 5-syllable words
- Malay terms with IPA pronunciation
- Rhymes:Malay/iom
- Rhymes:Malay/jom
- Rhymes:Malay/om
- Malay lemmas
- Malay nouns
- ms:Isotopes
