German

Noun

Deuterium n ‎(genitive Deuteriums, no plural)

1. deuterium

   (hydrogen isotope, chemical symbol: D)

Declension

English

Noun

deuterium ‎(plural deuteriums)

1. (physics) An isotope of hydrogen formed of one proton and one neutron in each atom - ²₁H.

   Heavy water is “heavy” because it contains deuterium.

2. An atom of this isotope.

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

Synonyms

• heavy hydrogen
• D (chemical symbol)

Hypernyms

• hydrogen

Coordinate terms

• (isotopes of hydrogen): protium, tritium, quadrium

Derived terms

• deuterium oxide

Related terms

• deuteron

Translations

See also

• heavy water

References

• Elementymology

Czech

Noun

deuterium n

1. deuterium (isotope of hydrogen)

Dutch

Pronunciation

• Hyphenation: deu‧te‧ri‧um

Etymology

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

Noun

deuterium n ‎(uncountable)

1. deuterium

Finnish

Noun

deuterium

1. deuterium

Declension

Latin

Noun

deuterium n ‎(genitive deuteriī); second declension

1. deuterium

Inflection

Second declension.

Malay

Etymology

From English hydrogen, from Ancient Greek δεύτερος ‎(deúteros, “second”) + -ium.

Pronunciation

• IPA^(key): [deutəriom], [deutəriəm], [diutəriəm]
• Rhymes: -iom, -jom, -om

Noun

deuterium

1. (physics) deuterium (isotope of hydrogen)