adjective
- of, relating to, or containing the chemical group C≡C-H (a carbon-carbon triple bond with a hydrogen atom)
Usage: chemistry; technical
noun
- the univalent chemical group C≡C-H derived from acetylene
Usage: chemistry; technical
Examples
- Ethinyl estradiol is a synthetic estrogen used in oral contraceptives.
- The ethinyl group is characterized by a triple bond between two carbon atoms.
- Chemists use ethinyl compounds in organic synthesis.
- The molecule contains an ethinyl substituent attached to the aromatic ring.
- Ethinyl acetylene derivatives have important pharmaceutical applications.