n. [ Chlorine + alcohol. ] 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. [ 1913 Webster ]
n. 1. a chemical substance (CCl3.CH(OH)2) which is a hydrate of trichloroacetaldehyde. It crystallizes as white monoclinic plates, obtained by treating chloral with water. It produces sleep when taken internally or hypodermically, and is used in medicine as a hypnotic and sedative; -- called also chloral It may be habit-forming, and is a controlled substance listed in the U. S. Code of Federal Regulations. It is sometimes used to render a person unconscious for illegal or nefarious purposes, and in this use, a concentrated solution is one of the agents called knockout drops. [ PJC ]
n. [ Chlorine + aniline. ] (Chem.) A yellow crystalline substance, C6Cl4.O2, regarded as a derivative of quinone, obtained by the action of chlorine on certain benzene derivatives, as aniline. [ 1913 Webster ]
n. (Chem.) One of a class of compounds formed from certain polybasic alcohols (and especially glycerin) by the substitution of chlorine for one or more hydroxyl groups. [ 1913 Webster ]
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