https://doi.org/10.1351/goldbook.A00236
Acyclic branched or unbranched
hydrocarbons
having a carbon-carbon triple bond and the general formula CnH2n-2, RC≡CR. Acyclic branched or unbranched hydrocarbons
having more than one triple bond are known as alkadiynes, alkatriynes, etc.See also:
acetylenes