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refractive

[ri-frak-tiv] /rɪˈfræk tɪv/
adjective
1.
of or relating to refraction.
2.
Also, refractile. having power to refract.
Origin
1665-1675
1665-75; < Late Latin refrāctīvus (of pronouns) reflexive. See refract, -ive
Related forms
refractively, adverb
refractiveness, noun
nonrefractive, adjective
nonrefractively, adverb
nonrefractiveness, noun
unrefractive, adjective
unrefractively, adverb
unrefractiveness, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for unrefractive

refractive

/rɪˈfræktɪv/
adjective
1.
of or concerned with refraction
2.
(of a material or substance) capable of causing refraction
Derived Forms
refractively, adverb
refractiveness, refractivity (ˌriːfrækˈtɪvɪtɪ) noun
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 unrefractive

refractive

adj.

1670s, from Late Latin refractivus, or from refract + -ive.

Online Etymology Dictionary, © 2010 Douglas Harper
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