deuterium

English Wikipedia has an article on:

deuterium

Wikipedia

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

• (UK) IPA^(key): /djuːˈtɪəɹɪəm/, /dʒuːˈtɪəɹɪəm/

• Audio (Southern England):

  (file)

• (US) IPA^(key): /djuːˈtɪɹi.əm/
• Hyphenation: deu‧te‧ri‧um
• Rhymes: -ɪəɹiəm

deuterium (countable and uncountable, plural deuteriums)

1. (physics) An isotope of hydrogen with 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.

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.

• heavy hydrogen
• ²H, D (chemical symbol)

• hydrogen

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

• deuteron

• heavy water

• Elementymology

• IPA^(key):

deuterium n

1. deuterium (isotope of hydrogen)

Dutch Wikipedia has an article on:

deuterium

Wikipedia ^nl

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

• IPA^(key): /ˌdœy̯ˈteː.ri.ʏm/

• Audio:

  (file)

• Hyphenation: deu‧te‧ri‧um
• Rhymes: -eːriʏm

deuterium n (uncountable)

1. deuterium

• deuteriumkern

Internationalism (see English deuterium).

• IPA^(key): /ˈdeu̯terium/,
• Rhymes: -ium
• Hyphenation^(key): deu‧te‧ri‧um

deuterium

1. (physics) deuterium

• “deuterium”, in Kielitoimiston sanakirja [Dictionary of Contemporary Finnish]‎ (in Finnish) (online dictionary, continuously updated), Kotimaisten kielten keskuksen verkkojulkaisuja 35, Helsinki: Kotimaisten kielten tutkimuskeskus (Institute for the Languages of Finland), 2004–, retrieved 2023-07-02

deuterium n (genitive deuteriī or deuterī); second declension

1. deuterium

Second-declension noun (neuter).

¹Found in older Latin (until the Augustan Age).

Malay Wikipedia has an article on:

deuterium

Wikipedia ^ms

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

• IPA^(key): , ,
• Rhymes: -iom, -jom, -om

deuterium

1. (physics) deuterium (isotope of hydrogen)