(organic chemistry) Of or pertaining to acetylene or its derivatives; having a carbon-to-carbon triple bond

(organic chemistry) Conversion into, or reaction with an acetylene

(organic chemistry, countable) Any organic compound having one or more carbon–carbon triple bonds; an alkyne.

plural of acetylene

plural of acetylene torch

An oxyacetylene torch.

(chemistry) A form of carbon black formed by the decomposition (but not by the burning) of acetylene. It is characterized by its high degree of crystalline orientation compared with other sources of carbon black.

(organic chemistry) Any acetylene (alkyne) having the triple bond attached to a terminal carbon atom; R-CC-H.

plural of terminal acetylene