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excitor

American  
[ik-sahy-ter, -tawr] / ɪkˈsaɪ tər, -tɔr /

noun

  1. Physiology. a nerve whose stimulation excites greater action.

  2. Archaic. an exciter.

excitor British  
/ ɪkˈsaɪtə /

noun

  1. a nerve that, when stimulated, causes increased activity in the organ or part it supplies

  2. a variant spelling of exciter

"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

Etymology

Origin of excitor

First recorded in 1810–20; excite + -or 2

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Intense mental occupation, concentration as the popular term has it, acts as a patent excitor of the attack.

From The Glands Regulating Personality by Berman, Louis, M.D.

It is wise to remember that the vasoconstrictor nerves are one in kind with the excitor nerves of the heart, while the vasodilators are in like manner associated with the vagus.

From Alcohol: A Dangerous and Unnecessary Medicine, How and Why What Medical Writers Say by Allen, Martha Meir

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.