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LSD

 - 13 dictionary results

LSD

 
Use LSD in a Sentence
1. U.S. Navy. 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. Origin:
l(anding) s(hip) d(eck)
2. Pharmacology. a crystalline solid, C20H25N3O, the diethyl amide of lysergic acid, a powerful psychedelic drug that produces temporary hallucinations and a schizophrenic psychotic state. Origin:
< G Lysergsäure-Diäthylamid lysergic acid diethylamide
3. least significant digit.

L.S.D.

 
pounds, shillings, and pence.
Also, £.s.d., l.s.d.

Origin:
< L librae, solidī, dēnāriī

least significant digit

 
–noun
the digit farthest to the right in a number. Abbreviation: LSD
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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LSD 1   (ěl'ěs-dē')   
n.  A crystalline compound, C20H25N3O, derived from lysergic acid and used as a powerful hallucinogenic drug. Also called acid.

[l(y)s(ergic acid) d(iethylamide).]
LSD 2  
abbr.  least significant digit
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Cultural Dictionary

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.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Slang Dictionary
LSD

  1. n.
    lysergic acid diethylamide, a hallucinogenic drug. (Initialism. Drugs. A mainstay of the 1960s and 1970s drug culture.) : LSD isn't the problem it used to be, but it's far from gone.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition.
Copyright 2007. Published by McGraw Hill.
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Word Origin & History

LSD 
"lysergic acid diethylamide," 1950, from Ger. "Lysergsäure-diäthylamid" (abbreviated LSD in a Swiss journal from 1947). Lysergic (1934) is formed from the lys in hydrolysis + first syllable of ergot + -ic.

l.s.d. 
abbreviation of British currency units, from L. librae, soldi, denarii, Roman equivalent of "pounds, shillings, pence."
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: LSD
Pronunciation: "el-"es-'dE
Function: noun
: a semisynthetic illicit organic compound C20H25N3O which isderived from ergot and the use of which may involve hazardous complications including distorted perceptions of reality, mood shifts, and impulsive behavior called also acid, lysergic aciddiethylamide, lysergide
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

LSD (ěl'ěs-dē')
n.
Lysergic acid diethylamide; a crystalline compound derived from lysergic acid and used as a powerful hallucinogenic drug. Also called acid, lysergide.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Science Dictionary
LSD   (ěl'ěs-dē')  Pronunciation Key 
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: C20H25N3O.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Abbreviations & Acronyms
LSD

  1. least significant digit

  2. lysergic acid diethylamide

The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
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