onium

onium

See also: -onium

English

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

cation

Chinese: Cantonese: 鎓, 𬭩 (jung1) Mandarin: 鎓／𬭩 (zh) (wēng) Japanese: オニウム (oniumu) Korean: 오늄 (onyum)

See also

• ammonium
• argonium
• arsonium
• bismuthonium
• bromonium
• chloronium
• fluoronium
• iodonium
• oxonium
• phosphonium
• selenonium
• stibonium
• sulfonium / sulphonium
• telluronium

Etymology 2

See Muonium#Nomenclature.

Noun

onium (plural onia)

1. (physics) the bound pair of a particle and its antiparticle

Derived terms

• -onium

Related terms

• positronium
• muononium
• tauonium
• toponium

Translations

bound pair of a particle and its antiparticle

Japanese: オニウム (oniumu)