Ethchlorvynol
/ˌɛθklɔː(ɹ)ˈvaɪnɒl/ noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A sedative and hypnotic drug used to treat insomnia. uncountable
- 2 a mild sedative-hypnotic drug (trade name Placidyl) wordnet
noun ·Rare ·Advanced level