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2017 Word of the Year

nerve impulse

noun, Physiology.
1.
a progressive wave of electric and chemical activity along a nerve fiber that stimulates or inhibits the action of a muscle, gland, or other nerve cell.
Origin of nerve impulse
1895-1900
First recorded in 1895-1900
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for nerve impulse
Historical Examples
  • A nerve impulse is a wave of electricity started and conducted by a nerve cell.

    A Thought For Tomorrow Robert E. Gilbert
  • There is another way in which the radiation of nerve impulse may be caused, entirely distinct from the lack of use or skill.

    The Psychology of Singing

    David C. Taylor
  • Like the copper rod, the axis cylinder along which the nerve impulse travels is the essential part of a nerve fiber.

    A Practical Physiology Albert F. Blaisdell
British Dictionary definitions for nerve impulse

nerve impulse

noun
1.
the electrical wave transmitted along a nerve fibre, usually following stimulation of the nerve-cell body See also action potential
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
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Contemporary definitions for nerve impulse
noun

a signal transmitted along a nerve fiber, starting with stimulation and then a wave of progressive alteration of electricity and becoming a record of sensation or instruction to act

Dictionary.com's 21st Century Lexicon
Copyright © 2003-2014 Dictionary.com, LLC
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nerve impulse in Medicine

nerve impulse n.
A wave of physical and chemical excitation that moves along a nerve fiber in response to a stimulus.

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