noun Physiology.

a receptor responding to stimuli originating outside the body.

Nearby words

  1. externalizer,
  2. externally,
  3. externals,
  4. externship,
  5. exteroceptive,
  6. exterofective,
  7. exterritorial,
  8. exterritoriality,
  9. extima,
  10. extinct

Origin of exteroceptor

1905–10; extero- (see exteroceptive) + (re)ceptor

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for exteroceptor



any sensory organ or part of the body, such as the eye, able to receive stimuli from outside the bodyCompare interoceptor, proprioceptor
Derived Formsexteroceptive, adjective

Word Origin for exteroceptor

C20 extero-, from Latin exterus exterior + (re) ceptor

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

Medicine definitions for exteroceptor




One of the peripheral end organs of the afferent nerves in the skin or mucous membranes that respond to stimuli from outside the body.
Related formsex′ter•o•ceptive adj.

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