noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A highly unsaturated hydrocarbon, HC≡C-C≡CH, the simplest polyyne countable, uncountable
2. 2
   Any of its derivatives, R₂C≡C-C≡CR₂, used in the manufacture of polydiacetylene countable, uncountable

Synonyms

All synonyms

butadiynebutadiyne

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