Usually means: Chemical group containing a carbon-carbon triple bond.
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We found 10 dictionaries that define the word ethynyl:

General (6 matching dictionaries)
  1. ethynyl: Merriam-Webster
  2. ethynyl: Collins English Dictionary
  3. ethynyl: Wiktionary
  4. ethynyl: Infoplease Dictionary
  5. ethynyl: Dictionary.com
  6. Ethynyl: Wikipedia, the Free Encyclopedia

Computing (1 matching dictionary)
  1. ethynyl: Encyclopedia

Medicine (3 matching dictionaries)
  1. ethynyl: Merriam-Webster Medical Dictionary
  2. online medical dictionary (No longer online)
  3. ethynyl: Medical dictionary

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Definitions from Wiktionary (ethynyl)

▸ noun:  (organic chemistry) The univalent radical HC≡C- derived from acetylene.

Similar:
ethinyl, ethynylene, ethynium, acetylenyl, ethynide, ethine, ethyl, ethynol, ethynylbenzene, ethylene, more...

Opposite:
vinyl, alkyl, aryl

Phrases:
ethynyl group, more...

▸ Words similar to ethynyl

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▸ Rhymes of ethynyl

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Similar:
ethinyl, ethynylene, ethynium, acetylenyl, ethynide, ethine, ethyl, ethynol, ethynylbenzene, ethylene, more...

Opposite:
vinyl, alkyl, aryl

Phrases:
ethynyl group, more...



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