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[in-truh-jek-shuh n] /ˌɪn trəˈdʒɛk ʃən/
noun, Psychoanalysis.
an unconscious psychic process by which a person incorporates into his or her own psychic apparatus the characteristics of another person or object.
Origin of introjection
First recorded in 1865-70; intro- + (in)jection Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for introjection


(psychol) the act or process of introjecting
Derived Forms
introjective, adjective
Word Origin
C20: from intro- + (pro)jection
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 introjection

1866, from intro- + stem abstracted from projection. In philosophical and psychoanalytical use, from German introjektion.

Online Etymology Dictionary, © 2010 Douglas Harper
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introjection in Medicine

introjection in·tro·jec·tion (ĭn'trə-jěk'shən)
The process of incorporating the characteristics of a person or object unconsciously into one's psyche, often as a defense mechanism.

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