from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Describing that which refracts.
from the GNU version of the Collaborative International Dictionary of English
- adj. Serving or having power to refract, or turn from a direct course; pertaining to refraction
from The Century Dictionary and Cyclopedia
- Of or pertaining to refraction; serving or having power to refract or turn from a direct course.
- Capable of being refracted: as, the refractive violet rays.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. of or relating to or capable of refraction
- adj. capable of changing the direction (of a light or sound wave)
A fundamental property called the refractive index governs the amount of light a material reflects, as well as other optical properties such as diffraction, refraction, and the speed of light inside the material.
At the height of the cold war, a Russian named Victor Veselago took a close look at something called the refractive index.
The material property which changes the speed of light in a material for a particular frequency is called refractive index.
The spacing of the rods, each of which measured one thousandth of a millimetre wide, alters a property of the material known as the refractive index, which changes the speed of light inside it.
Younger patients with presbyopia, in which near vision becomes blurry, also may eliminate the need for glasses with a multifocal IOL, a procedure called refractive lens exchange that is typically not covered by insurance.
For all the fun that's been had online in the past few days, recasting all the players in the media row, it doesn't actually need refractive tinkering; it was dramatic enough, as is all the best history.
Examples include cosmetic surgery, refractive eye surgery, and like it or not, abortion.
Michael Goran, Ph. D., one of the authors of the study and director of the Childhood Obesity Research Center at the University of Southern California Keck School of Medicine, stated in an email that “the industry, by its own admission in a call [this past Wednesday], said they have been using the same technique for the last 30 years, called refractive index.”
EventLab uses optical, silicon-based chips that gauge changes in refractive index.
That is a measure of how light travels through a substance—pure water, for example, has a refractive index of 1.33—and if it is modified or has other substances added to it, the refractive index changes.