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psycho-

1.
a combining form representing psyche, (psychological) and psychological, (psychoanalysis) in compound words.
Also, especially before a vowel, psych-.
Origin
< Greek, combining form of psȳchḗ breath, spirit, soul, mind; akin to psȳ́chein to blow (see psykter)
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for psycho-

psycho-

combining form
1.
indicating the mind or psychological or mental processes: psychology, psychogenesis, psychosomatic
Word Origin
from Greek psukhē spirit, breath
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 psycho-

word-forming element meaning "mind, mental; spirit, unconscious," from Greek psykho-, combining form of psykhe (see psyche). It also was used to form compounds in Greek, e.g. psychopates "soul-beguiling."

Online Etymology Dictionary, © 2010 Douglas Harper
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psycho- in Medicine

psycho- or psych-
pref.

  1. Mind; mental: psychogenic.

  2. Mental activities or processes: psychomotor.

  3. Psychology; psychological: psychosocial.

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