refract

[ ri-frakt ]
/ rɪˈfrækt /

verb (used with object)

to subject to refraction.
to determine the refractive condition of (an eye).

Origin of refract

1605–15; < Latin refrāctus, past participle of refringere to break, force back, equivalent to re- re- + frac- (variant stem of frangere to break) + -tus past participle suffix

Related forms

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for refract

British Dictionary definitions for refract

refract

/ (rɪˈfrækt) /

verb (tr)

to cause to undergo refraction
to measure the refractive capabilities of (the eye, a lens, etc)

Derived Forms

refractable, adjective

Word Origin for refract

C17: from Latin refractus broken up, from refringere, from re- + frangere to break
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

Medicine definitions for refract

refract

[ rĭ-frăkt ]

v.

To deflect something, especially light, from a straight path by refraction.
To determine the refraction of an eye or a lens.

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