English Explanatory Dictionary

onium

English dictionary entry

Meanings

noun
  1. Any cation derived by the addition of a proton to the hydride of any element of the nitrogen, chalcogen or halogen families.
  2. Any organic derivative of these compounds.
noun
  1. The bound pair of a particle and its antiparticle.

Pronunciation

/ˈoʊniəm/ LL-Q1860 (eng)-Flame, not lame-onium.wav /ˈɒniəm/

Word forms

onium oniums onia

Etymology

Etymology tree New Latin ammōniumbor. English ammonium English onium From ammonium.

Derived words

hydronium leptonium -onium
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