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excitatory

 - 3 dictionary results

ex⋅cit⋅a⋅tive

  [ik-sahy-tuh-tiv]
Use excitatory in a Sentence
–adjective
tending to excite.
Also, ex⋅cit⋅a⋅to⋅ry  [ik-sahy-tuh-tawr-ee, -tohr-ee] .

Origin:
1480–90; < MF excitatif < L excitāt- (see excitation ) + -īvus -ive
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To excitatory
ex·ci·ta·tive   (ĭk-sī'tə-tĭv)   
adj.  Causing or tending to cause excitation.
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: ex·cit·ato·ry
Pronunciation: ik-'sIt-&-"tOr-E, -"tor-
Function: adjective
1 : tending to induce excitation (asof a neuron) <excitatory substances> <excitatory and inhibitory pathways from the brain —W. G. Van der Kloot>
2 : exhibiting, resulting from,related to, or produced by excitement or excitation excitatory postsynaptic potential>
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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