What does "alkyne" mean?

A hydrocarbon containing at least one carbon–carbon triple bond.

Alkyne

Common synonyms include: acetylene, acetylenic, alkynic, alkynyl, c–c triple bond hydrocarbon, ethyne.

/ælˈkʰaɪn/ noun

noun ·Rare ·Advanced level

Noun

1
A hydrocarbon containing at least one carbon–carbon triple bond.
2
a colorless flammable gas used chiefly in welding and in organic synthesis wordnet

Formed as alkyl + -yne.