chloral hydrate

English Thesaurus

1. a colorless crystalline drug used as a sedative; irritates the stomach and can be addictive (noun.artifact)

hypernym	:	depressant, downer, sedative, sedative drug,
definition	:	a drug that reduces excitability and calms a person (noun.artifact)

hyponym	:	knockout drops,
definition	:	chloral hydrate in combination with alcohol; usually administered surreptitiously to make the drinker unconscious (noun.artifact)