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[ap-er-sep-shuh n] /ˌæp ərˈsɛp ʃən/
noun, Psychology.
conscious perception.
the act or process of apperceiving.
Origin of apperception
1745-55; (< F) < New Latin (Leibnitz) apperceptiōn-, stem of apperceptiō. See ap-1, perception
Related forms
apperceptive, adjective
apperceptively, adverb
preapperception, noun
unapperceptive, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for apperception


noun (psychol)
the attainment of full awareness of a sensation or idea
the act or process of apperceiving
Derived Forms
apperceptive, 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 apperception

1753, from French aperception (17c.), from German Apperzeption (or Latin apperceptionem), coined by German mathematician and philosopher Gottfried Wilhelm Leibniz (1646-1716) as noun corresponding to French apercevoir "perceive, notice, become aware of" (11c., from Latin ad "to" (see ad-) + percipere; see perceive) on analogy of Perzeption/percevoir.

Online Etymology Dictionary, © 2010 Douglas Harper
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apperception in Medicine

apperception ap·per·cep·tion (āp'ər-sěp'shən)

  1. Conscious perception with full awareness. Also called comprehension.

  2. The process of understanding by which newly observed qualities of an object are related to past experience.

ap'per·cep'tive (-sěp'tĭv) 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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