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reenforce

[ree-uh n-fawrs, -fohrs] /ˌri ənˈfɔrs, -ˈfoʊrs/
verb (used with object), reenforced, reenforcing, noun
1.
Also, re-enforce.

reinforce

[ree-in-fawrs, -fohrs] /ˌri ɪnˈfɔrs, -ˈfoʊrs/
verb (used with object), reinforced, reinforcing.
1.
to strengthen with some added piece, support, or material:
to reinforce a wall.
2.
to strengthen (a military force) with additional personnel, ships, or aircraft:
to reinforce a garrison.
3.
to strengthen; make more forcible or effective:
to reinforce efforts.
4.
to augment; increase:
to reinforce a supply.
5.
Psychology. to strengthen the probability of (a response to a given stimulus) by giving or withholding a reward.
noun
6.
something that reinforces.
7.
a metal band on the rear part of the bore of a gun, where the explosion occurs.
Also, reenforce, re-enforce.
Origin
1590-1600
1590-1600; re- + inforce, alteration of enforce
Related forms
reinforcer, noun
self-reinforcing, adjective
unreinforced, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for re-enforce

reinforce

/ˌriːɪnˈfɔːs/
verb (transitive)
1.
to give added strength or support to
2.
to give added emphasis to; stress, support, or increase: his rudeness reinforced my determination
3.
to give added support to (a military force) by providing more men, supplies, etc
4.
(psychol) to reward an action or response of (a human or animal) so that it becomes more likely to occur again
Derived Forms
reinforcement, noun
Word Origin
C17: from obsolete renforce, from French renforcer; see re- + inforceenforce
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 re-enforce
v.

also reenforce, 1580s, "to give fresh strength to," from re- "back, again" + enforce (v.). Originally of persons or military units; of buildings, structures, etc., attested from 1883. Related: Re-enforced; re-enforcing.

reinforce

v.

c.1600, originally in military sense, from re- "again" + enforce (cf. re-enforce). Related: Reinforced; reinforcing.

Online Etymology Dictionary, © 2010 Douglas Harper
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re-enforce in Medicine

reinforce re·in·force (rē'ĭn-fôrs')
v. re·in·forced, re·in·forc·ing, re·in·forc·es

  1. To give more force or effectiveness to something; strengthen.

  2. To reward an individual, especially an experimental subject, with a reinforcer subsequent to a desired response or performance.

  3. To stimulate a response by means of a reinforcer.

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