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impulsion

[im-puhl-shuh n] /ɪmˈpʌl ʃən/
noun
1.
the act of impelling, driving onward, or pushing.
2.
the resulting state or effect; impulse; impetus.
3.
the inciting influence of some feeling or motive; mental impulse.
4.
a constraining or inciting action exerted on the mind or conduct:
divine impulsion.
Origin
late Middle English
1400-1450
1400-50; late Middle English < Latin impulsiōn- (stem of impulsiō) incitement. See impulse, -ion
Related forms
self-impulsion, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for impulsion

impulsion

/ɪmˈpʌlʃən/
noun
1.
the act of impelling or the state of being impelled
2.
motion produced by an impulse; propulsion
3.
a driving force; compulsion
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 impulsion
n.

early 15c., "driving, pushing, thrusting," from Old French impulsion (early 14c.), from Latin impulsionem (nominative impulsio) "external pressure," figuratively "incitement, instigation," noun of action from past participle stem of impellere (see impel).

Online Etymology Dictionary, © 2010 Douglas Harper
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impulsion in Medicine

impulsion im·pul·sion (ĭm-pŭl'shən)
n.
An urge to perform certain actions without regard for internal or social constraints.

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