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.
Source:
PAC, 1995, 67, 1307
(Glossary of class names of organic compounds and reactivity intermediates based on
structure (IUPAC Recommendations 1995))
on page 1314