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depressant

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de⋅pres⋅sant

  [di-pres-uhnt]
Use depressant in a Sentence
–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:
1875–80; depress + -ant
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Depression
Learn About the Causes, Symptoms And a Proven Treatment Option.
KnowMyDepression.com
Antidepressants
Learn About an Antidepressant That May Help You Cope with Depression.
www.Help-Treat-Depression.com
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® 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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Medical Dictionary

Main Entry: 1de·pres·sant
Pronunciation: -&nt
Function: adjective
: tending to depress; especially : lowering or tending to lower functional or vital activity depressant effect on heart rate>

Main Entry: 2depressant
Function: noun
: one that depresses; specifically : an agent that reduces bodily functional activity or an instinctivedesire (as appetite) depressant of intestinal spasm>
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

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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Encyclopedia

depressant

in medicine, a drug or other agent that slows the activity of vital organs of the body. Depressants acting on the central nervous system include general anesthetics, opiates, alcohol, and hypnotics. Tranquilizing drugs (ataractics) act primarily on the lower levels of the brain, relieving tension without reducing mental sharpness.

Learn more about depressant with a free trial on Britannica.com.

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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