onium

See also: -onium

English

Pronunciation

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Etymology 1

From ammonium.

Noun

onium (plural oniums)

  1. (chemistry) any cation derived by the addition of a proton to the hydride of any element of the nitrogen, chalcogen or halogen families
  2. (chemistry) any organic derivative of these compounds
Translations
See also

Etymology 2

See Muonium#Nomenclature.

Noun

onium (plural onia)

  1. (physics) The bound pair of a particle and its antiparticle.
Derived terms
Translations
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