anti-stimulant

stimulant

[stim-yuh-luhnt]
noun
1.
Physiology, Medicine/Medical. something that temporarily quickens some vital process or the functional activity of some organ or part: Adrenalin is a stimulant for the heart.
2.
any food or beverage that stimulates, especially coffee, tea, or, in its initial effect, alcoholic liquor.
3.
a stimulus or incentive.
adjective
4.
Physiology, Medicine/Medical. temporarily quickening some vital process or functional activity.
Compare depressant.


Origin:
1720–30; < Latin stimulant- (stem of stimulāns, present participle of stimulāre to goad). See stimulus, -ant

antistimulant, adjective, noun
nonstimulant, noun, adjective
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World English Dictionary
stimulant (ˈstɪmjʊlənt)
 
n
1.  a drug or similar substance that increases physiological activity, esp of a particular organ
2.  any stimulating agent or thing
 
adj
3.  increasing physiological activity; stimulating
 
[C18: from Latin stimulāns goading, from stimulāre to urge on; see stimulus]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

stimulant
1728; see stimulation.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

stimulant stim·u·lant (stĭm'yə-lənt)
n.
An agent that arouses organic activity, strengthens the action of the heart, increases vitality, and promotes a sense of well-being. adj.
Serving as or being a stimulant.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
stimulant   (stĭm'yə-lənt)  Pronunciation Key 
An agent, especially a drug, that causes increased activity, especially of the nervous or cardiovascular systems. Caffeine is a commonly used stimulant.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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