different between onium vs pionium

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
See also
  • ammonium
  • 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

onium From the web:

  • what is onium ion
  • what does onium mean
  • what are onion used for
  • what is onium in chemistry
  • what does onium salt mean
  • meconium
  • which one is not onium ion


pionium

English

Etymology

pion +? -ium

Noun

pionium (plural pioniums)

  1. (physics, chemistry) an exotic atom equivalent to a hydrogen atom with the proton replaced by a pion
  2. (physics) an onium where the bound antiparticle-particle pair is a pion and an antipion.

Synonyms

  • (exotic atom): pi-mu atom

Translations

pionium From the web:

+1
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