Word.ws English Dictionary

onia

onia is the plural of onium.

Meaning of onium

Noun (1)

onium (plural oniums)

  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 (2)

onium (plural onia)

  1. The bound pair of a particle and its antiparticle.

Questions about onia

What is onia the plural of?
Onia is the plural of onium.

Words near onia in the dictionary

  1. onheld
  2. onhold
  3. onholding
  4. onholds
  5. oni
  6. onia
  7. onibi
  8. Onibury
  9. Oniceni
  10. Onich
  11. onicolo

Source and license

Adapted from Wiktionary: onia (page history and authors); onium (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “onia.” Word.ws, https://word.ws/onia. Based on Wiktionary, CC BY-SA 4.0.