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View synonyms for LSD
LSD
1abbreviation for
, Pharmacology.
- a crystalline solid, C 20 H 25 N 3 O, the diethyl amide of lysergic acid, a powerful psychedelic drug that produces temporary hallucinations and a schizophrenic psychotic state.
LSD
2abbreviation for
, U.S. Navy.
, plural LSDs
- a seagoing, amphibious ship capable of carrying and launching assault landing craft from a large, inner compartment that can be flooded, and of making emergency repairs at sea to smaller ships.
LSD
3abbreviation for
L.S.D.
4or £.s.d., l.s.d.
abbreviation for
- pounds, shillings, and pence.
L.S.D.
1abbreviation for
- librae, solidi, denarii
LSD
2noun
- lysergic acid diethylamide; a crystalline compound prepared from lysergic acid, used in experimental medicine and taken illegally as a hallucinogenic drug Informal name (as an illegal hallucinogen)acid
LSD
/ ĕl′ĕs-dē′ /
- Short for lysergic acid diethylamide. A crystalline compound that is a synthetic derivative of lysergic acid. It is used as a powerful hallucinogenic drug. Chemical formula: C 20 H 25 N 3 O.
LSD
- A drug, lysergic acid diethylamide, that produces hallucinations similar to those of a psychosis . Persons on LSD “trips,” which may last for many hours, undergo distortions of their perceptions of space and time and may lose all contact with reality.
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Word History and Origins
Origin of LSD1
First recorded in 1945–50; abbreviaion of German Lysergsäure-Diäthylamid “lysergic acid diethylamide”
Origin of LSD2
First recorded in 1940–45; abbreviation of l(anding), s(hip), d(ock)
Origin of LSD3
From Latin lībrae “pounds (sterling),” libra 1( def ), pound 2( def ); solidī , solidus 1( def ); dēnāriī denarius ( def )
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Word History and Origins
Origin of LSD1
Latin: pounds, shillings, pence
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