# polyacetylene

> English word · Noun

## Definitions
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. A black polymer, derived from acetylene, containing alternating single and double bonds in a (-CH=CH-) repeat unit; it is an organic semiconductor

## Etymology
From poly- + acetylene.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/polyacetylene