polyacetylene

== English == === Etymology === From poly- + acetylene. === Noun === polyacetylene (plural polyacetylenes) (organic chemistry) Any of a class of organic compounds containing a acetylene (-C≡C-) repeat units, especially any that occur naturally in some composite plants (organic chemistry) A black polymer, derived from acetylene, containing alternating single and double bonds in a (-CH=CH-) repeat unit; it is an organic semiconductor ==== Synonyms ==== polyyne (1) ==== Related terms ==== polyacetylenic (1)