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[noo r-on, nyoo r-] /ˈnʊər ɒn, ˈnyʊər-/
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
[noo r-ohn, nyoo r-] /ˈnʊər oʊn, ˈnyʊər-/ (Show IPA)
Also called nerve cell.
Compare synapse.
Origin of neuron
First recorded in 1880-85, neuron is from the Greek word neûron sinew, cord, nerve
Related forms
[noo r-uh-nl, nyoo r-, noo-rohn-l, nyoo-] /ˈnʊər ə nl, ˈnyʊər-, nʊˈroʊn l, nyʊ-/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for neurone
Historical Examples
  • Thus it is seen that the neurone is, in its development as in its work, a unit.

    The Mind and Its Education

    George Herbert Betts
  • Association is the result of habit working in neurone groups.

    The Mind and Its Education

    George Herbert Betts
  • Physiologically stated, free attention is given when a neurone series which is ready to act is called into activity.

    How to Teach George Drayton Strayer and Naomi Norsworthy
  • Forced attention is necessary when the neurone tracts used by the attention are for some reason unready to act.

    How to Teach George Drayton Strayer and Naomi Norsworthy
  • The neurone groups controlling the instincts hold a middle place.

    How to Teach George Drayton Strayer and Naomi Norsworthy
  • The plasticity of neurone groups seems to vary in two respects--as to modifiability and as to power to hold modifications.

    How to Teach George Drayton Strayer and Naomi Norsworthy
  • The general laws of learning emphasize the importance of the mind's set as a condition to readiness of neurone tracts.

    How to Teach George Drayton Strayer and Naomi Norsworthy
  • The centre theory and the cell and neurone theory seemed obligatory starting-points.

  • The neurone, however, is a little unicellular animal, like the amoeba or the paramecium.

  • The neurone of the second order, which terminates in the 'neuropil' of the second ganglion (ganglion of the optic nerve).

    The Origin of Vertebrates Walter Holbrook Gaskell
British Dictionary definitions for neurone


a specialized cell that conducts nerve impulses: consists of a cell body, axon, and dendrites Also called nerve cell
Derived Forms
neuronal, adjective
neuronic (njʊˈrɒnɪk) adjective
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 neurone



"a nerve cell with appendages," 1891, from German Neuron, from Greek neuron (see neuro-). Used earlier (1884) for "the spinal cord and brain."

Online Etymology Dictionary, © 2010 Douglas Harper
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neurone in Medicine

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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neurone in Science

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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