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

plural of acetylene

(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

An oxyacetylene torch.

plural of terminal acetylene

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

(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.

plural of acetylene torch

An organic compound with the formula CH₃O₂CC₂CO₂CH₃, widely used as a dienophile in cycloaddition reactions.