noun ·6 syllables ·Rare ·Advanced level

Definitions

Noun

1. 1
   Any of a class of organic compounds containing a acetylene (-C≡C-) repeat units, especially any that occur naturally in some composite plants
2. 2
   A black polymer, derived from acetylene, containing alternating single and double bonds in a (-CH=CH-) repeat unit; it is an organic semiconductor

Synonyms

All synonyms

polyynepolyyne

Etymology

From poly- + acetylene.

Related phrases

double bondorganic compoundrepeat unitsingle bond

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.