acetylenes

https://doi.org/10.1351/goldbook.A00066
Acyclic (branched or unbranched) and cyclic (with or without @B00720@) @H02889@ having one or more carbon–carbon triple bonds.
See also:
alkynes
Source:
PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1311 [Terms] [Paper]