CHLORAL

Chlo″ral (?), n. [[Chlorine + alcohol.]] 1. 1. (Chem.) A colorless oily liquid, CCl3.CHO, of a pungent odor and harsh taste, obtained by the action of chlorine upon ordinary or ethyl alcohol.
2. 2. (Med.) Chloral hydrate.
Chloral hydrate, a white crystalline substance, obtained by treating chloral with water. It produces sleep when taken internally or hypodermically; — called also chloral.