[noor-on, nyoor-]
Cell Biology. a specialized, impulse-conducting cell that is the functional unit of the nervous system, consisting of the cell body and its processes, the axon and dendrites.
Also, especially British, neurone [noor-ohn, nyoor-] .
Also called nerve cell.
Compare synapse.

1880–85; < Greek neûron sinew, cord, nerve

neuronal [noor-uh-nl, nyoor-, noo-rohn-l, nyoo-] , adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
neurone or neuron (ˈnjʊərəʊn, ˈnjʊərɒn)
Also called: nerve cell a specialized cell that conducts nerve impulses: consists of a cell body, axon, and dendrites
neuron or neuron
neu'ronal or neuron
neuronic or neuron

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

"a nerve cell with appendages," 1891, from Ger. Neuron, from Gk. neuron (see neuro-). Used earlier (1884) for "the spinal cord and brain."
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

neuron neu·ron (nur'ŏn', nyur'-) or neu·rone (-ōn')
Any of the impulse-conducting cells that constitute the brain, spinal column, and nerves, consisting of a nucleated cell body with one or more dendrites and a single axon. Also called nerve cell, neurocyte.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
neuron   (nr'ŏn')  Pronunciation Key 

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A cell of the nervous system. Neurons typically consist of a cell body, which contains a nucleus and receives incoming nerve impulses, and an axon, which carries impulses away from the cell body. Also called nerve cell.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Computing Dictionary

neuron definition

artificial neural network

The Free On-line Dictionary of Computing, © Denis Howe 2010
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Example sentences
In this case, the firing of one neuron suppresses firing in the rest of the
The single neuron seen here was grown on sensitive piezoelectric cantilever
Given the right signals, it can become a brand new heart cell or neuron or
  insulin-producing cell.
Meanwhile, dysfunction of the mirror neuron system has been linked to
  developmental disorders, such as autism.
Images for neuron
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