adjective Chemistry.

containing the ethynyl group.

Nearby words

  1. ethylic,
  2. ethylidene,
  3. ethylvinyl ether,
  4. ethyne,
  5. ethynodiol,
  6. ethynyl group,
  7. ethynylation,
  8. eti,
  9. etic,
  10. etidronate disodium

Origin of ethynyl Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for ethynyl


[ĕ-thīnĭl, ĕthə-]


The univalent hydrocarbon radical HCC derived from acetylene.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.