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stimuli

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stim⋅u⋅lus

  [stim-yuh-luhs]
Use stimuli in a Sentence
–noun, plural -li  [-lahy] .
1. something that incites to action or exertion or quickens action, feeling, thought, etc.: The approval of others is a potent stimulus.
2. Physiology, Medicine/Medical. something that excites an organism or part to functional activity.
Origin:
1605–15; < L: a goad

Synonyms:
1. incitement, enticement, motive, provocation. 2. stimulant.

Antonyms:
1. discouragement.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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stim·u·lus   (stĭm'yə-ləs)   
n.   pl. stim·u·li (-lī')

  1. Something causing or regarded as causing a response.

  2. An agent, action, or condition that elicits or accelerates a physiological or psychological activity or response.

  3. Something that incites or rouses to action; an incentive: "Works which were in themselves poor have often proved a stimulus to the imagination" (W.H. Auden).


[Latin, goad.]
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

stimulus

plur. stimuli (stim-yuh-leye)

An action, condition, or person that provokes a response, especially a conditioned response.

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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Medical Dictionary

Main Entry: stim·u·lus
Pronunciation: 'stim-y&-l&s
Function: noun
Inflected Form: plural stim·u·li /-"lI,-"lE/
1 : STIMULANT 1
2 : an agent (as an environmental change) that directlyinfluences the activity of living protoplasm (as by exciting a sensory organ or evoking muscular contraction or glandular secretion) stimulus>
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

stimulus stim·u·lus (stĭm'yə-ləs)
n. pl. stim·u·li (-lī')

  1. A stimulant.

  2. That which can elicit or evoke an action or response in a cell, an excitable tissue, or an organism.

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