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[ak-son] /ˈæk sɒn/
Cell Biology. the appendage of the neuron that transmits impulses away from the cell body.
Also, axone
[ak-sohn] /ˈæk soʊn/ (Show IPA)
Origin of axon
1835-45; < New Latin < Greek áxōn an axle, axis; akin to Latin axis
Related forms
[ak-suh-nl, ‐son-l] /ˈæk sə nl, ‐ˌsɒn l/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for axon
Historical Examples
  • Mr. axon says it is current in Lancashire and in Cornwall, Antiquary, xi.

    Folklore as an Historical Science George Laurence Gomme
  • We saw a moment ago that every axon is inclosed in a sheath.

    Physiology Ernest G. Martin
  • The contact of the axon of one neuron with the dendrons of another is called a synapse.

    Psychotherapy James J. Walsh
  • Most nerve cells have two kinds of branches, called the axon and the dendrites.

    Psychology Robert S. Woodworth
  • Sandy-haired men have no age until they are fifty-five, and axon was not fifty-five.

    The Price of Love

    Arnold Bennett
  • Louis shot away into the outer office, where axon was just putting on his hat to go to the bank.

    The Price of Love

    Arnold Bennett
  • This tiny protoplasmic thread, the axon, was formed originally by growing out from the cell body.

    Physiology Ernest G. Martin
  • One of these processes, the axon, is much longer than the others and ends in a muscle or organ of sensation.

    A Civic Biology George William Hunter
  • The axon forms the pathway over which nervous impulses travel to and from the nerve centers.

    A Civic Biology George William Hunter
  • These axon runners from one cell connect through synapses to dendrite runners on other cells.

British Dictionary definitions for axon


the long threadlike extension of a nerve cell that conducts nerve impulses from the cell body Compare dendrite
Derived Forms
axonal, adjective
Word Origin
C19: via New Latin from Greek: axis, axle, vertebra
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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Word Origin and History for axon

"axis of the vertebrate body," 1842, from Greek axon "axis" (see axis).

Online Etymology Dictionary, © 2010 Douglas Harper
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axon in Medicine

axon ax·on (āk'sŏn') or ax·one (-sōn')
The usually long process of a nerve fiber that generally conducts impulses away from the body of the nerve cell.

ax'on·al (āk'sə-nəl, āk-sŏn'əl) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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axon in Science
The long portion of a neuron that conducts impulses away from the body of the cell. Also called nerve fiber.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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axon in Culture

axon definition

The part of a nerve cell or neuron that transfers a nerve impulse from the nerve cell body to a synapse with another cell. (See action potential.) Depending on the location of the cell, the length of an axon can vary widely. In some cases (such as the axons that form the spinal cord), they may be several feet long.

The 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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