from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To deflect (light, for example) from a straight path by refraction.
- transitive v. To alter by viewing through a medium: "In the Quartet reality is refracted through a variety of eyes” ( Elizabeth Kastor).
- transitive v. Medicine To determine the refraction of (an eye, for example).
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To change direction as a result of entering a different medium
- v. To cause (light) to change direction as a result of entering a different medium.
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To bend sharply and abruptly back; to break off.
- transitive v. To break the natural course of, as rays of light orr heat, when passing from one transparent medium to another of different density; to cause to deviate from a direct course by an action distinct from reflection.
from The Century Dictionary and Cyclopedia
- To bend back sharply or abruptly; especially, in optics, to break the natural course of, as of a ray of light; deflect at. a certain angle on passing from one medium into another of a different density. See refraction.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. subject to refraction
- v. determine the refracting power of (a lens)
Latin refringere, refrāct-, to break up : re-, re- + frangere, to break; see bhreg- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)