chloral hydrate
NounOpen English WordNet
Noun (1)
- a colorless crystalline drug used as a sedative; irritates the stomach and can be addictiveType of sedative, sedative drugKinds knockout drops
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Webster's Dictionary (1913)
chloral hydrate noun
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.
Webster’s Revised Unabridged Dictionary (1913), from GCIDE 0.54 · with additions: GCIDE editors