deuterium

Pronunciation

• (UK) IPA ^(key): /djuːˈtɪərɪəm/ or /dʒuːˈtɪərɪəm/
• (US) IPA ^(key): /djuːˈtɪri.əm/

• Audio (UK)

  (file)

• Hyphenation: deu‧te‧ri‧um

Noun

Singular deuterium

Plural deuteriums

1. (chemistry) Deuterium is a kind of hydrogen atom that has a nucleus with one proton and one neutron. It can be written as ${\ce {^{2}_{1}H}}$ or ${\ce {^{2}H}}$ or ${\ce {D}}$.
2. (chemistry) Deuterium is a substance consisting of deuterium atoms.