[ stim-yuh-luh nt ]
/ ˈstɪm yə lənt /
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.Compare depressant(def 4).
any food or beverage that stimulates, especially coffee, tea, or, in its initial effect, alcoholic liquor.
a stimulus or incentive.
Physiology, Medicine/Medical. temporarily quickening some vital process or functional activity.
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Origin of stimulant
Related formsan·ti·stim·u·lant, adjective, nounnon·stim·u·lant, noun, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for anti-stimulant
/ (ˈstɪmjʊlənt) /
a drug or similar substance that increases physiological activity, esp of a particular organ
any stimulating agent or thing
increasing physiological activity; stimulating
Word Origin for stimulant
C18: from Latin stimulāns goading, from stimulāre to urge on; see stimulus
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
Word Origin and History for anti-stimulant
1772 (adj.); 1794 (n.), from Latin stimulantem (nominative stimulans), present participle of stimulare (see stimulation).
Online Etymology Dictionary, © 2010 Douglas Harper
Medicine definitions for anti-stimulant
[ stĭm′yə-lənt ]
An agent that arouses organic activity, strengthens the action of the heart, increases vitality, and promotes a sense of well-being.
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.
Science definitions for anti-stimulant
[ stĭm′yə-lənt ]
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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.