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deflection

[dih-flek-shuh n] /dɪˈflɛk ʃən/
noun
1.
the act or state of deflecting or the state of being deflected.
2.
amount of deviation.
3.
the deviation of the indicator of an instrument from the position taken as zero.
4.
Optics. deviation (def 5a).
5.
Military. the angle formed by the line of sight to the target and the line of sight to the point at which a gun is aimed so as to strike the target.
6.
Electronics. (in a cathode-ray tube) the bending by a magnetic field of the beam of electrons leaving the electron gun.
Also, British, deflexion.
Origin
1595-1605
1595-1605; < Late Latin dēflexiōn- (stem of dēflexiō), equivalent to Latin dēflex(us) (past participle of dēflectere; see deflect) + -iōn- -ion
Related forms
nondeflection, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for deflexion

deflection

/dɪˈflɛkʃən/
noun
1.
the act of deflecting or the state of being deflected
2.
the amount of deviation
3.
the change in direction of a light beam as it crosses a boundary between two media with different refractive indexes
4.
a deviation of the indicator of a measuring instrument from its zero position
5.
the movement of a structure or structural member when subjected to a load
Derived Forms
deflective, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for deflexion

deflection

n.

also (and with more etymological propriety) deflexion, c.1600, from Latin deflexionem, noun of action from past participle stem of deflectere (see deflect). Both forms were present 17c., but the spelling with -c- has come to predominate.

Online Etymology Dictionary, © 2010 Douglas Harper
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deflexion in Medicine

deflection de·flec·tion (dĭ-flěk'shən)
n.

  1. A turning aside or deviation.

  2. The deviation of an indicator in a measuring instrument, such as an electrocardiograph, from zero or from its normal position.

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