Definition of axon noun from the Oxford Advanced Learner's Dictionary

 

axon

 noun
noun
BrE BrE//ˈæksɒn//
 
; NAmE NAmE//ˈæksɑːn//
 
(biology) Cell biology
 
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the long thin part of a nerve cell along which signals are sent to other cells compare dendrite See related entries: Cell biology Word Origin mid 19th cent. (denoting the body axis): from Greek axōn ‘axis’.
See the Oxford Advanced American Dictionary entry: axon