Word.ws English Dictionary

ethynium

ethynium noun: the cation, protonated acetylene (C₂H₃⁺).

Noun

ethynium (uncountable)

  1. The cation, protonated acetylene (C₂H₃⁺)

Origin of ethynium

From ethyne + -ium.

Questions about ethynium

What does ethynium mean?
Ethynium means the cation, protonated acetylene (C₂H₃⁺).
What part of speech is ethynium?
Ethynium is a noun.

Words near ethynium in the dictionary

  1. ethynediol
  2. ethynerone
  3. ethynes
  4. ethynide
  5. ethynides
  6. ethynium
  7. ethynodiol
  8. ethynol
  9. ethynyl
  10. ethynylation
  11. ethynylations

Source and license

Adapted from Wiktionary: ethynium (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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