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depressant

[dih-pres-uh nt] /dɪˈprɛs ənt/
adjective
1.
Medicine/Medical. having the quality of depressing or lowering the vital activities; sedative.
2.
causing a lowering in spirits; dejecting.
3.
causing a drop in value; economically depressing.
noun
4.
Medicine/Medical. a sedative.
Compare stimulant (def 1).
5.
Chemistry. any agent capable of diminishing a specific property of a substance.
Origin of depressant
1875-1880
1875-80; depress + -ant
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for depressant

depressant

/dɪˈprɛsənt/
adjective
1.
(med) able to diminish or reduce nervous or functional activity
2.
causing gloom or dejection; depressing
noun
3.
a depressant drug
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for depressant
n.

"sedative," 1876 as a noun, 1887 as an adjective; see depress + -ant.

Online Etymology Dictionary, © 2010 Douglas Harper
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depressant in Medicine

depressant de·pres·sant (dĭ-prěs'ənt)
adj.
Tending to lower the rate of vital physiological activities. n.
An agent, especially a drug, that decreases the rate of vital physiological activities.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Word Value for depressant

13
15
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