The refractive characteristics of the eye. From Wordnet, Princeton University.
The material property which changes the speed of light in a material for a particular frequency is called refractive index. From Wordnik.com. [Yahoo! Answers: Latest Questions] Reference
Sometimes it can be very refractive to pain medications. From Wordnik.com. [CNN Transcript Jul 24, 2009] Reference
This angle depends upon the refractive power of the stone. From Wordnik.com. [Scientific American Supplement, No. 1082, September 26, 1896] Reference
They also possessed the art of making glass highly refractive. From Wordnik.com. [Mizora: A Prophecy A MSS. Found Among the Private Papers of the Princess Vera Zarovitch] Reference
Its specific gravity at 15° C. is 0.862; refractive index at 20°. From Wordnik.com. [The Handbook of Soap Manufacture] Reference
The refractive index of amber is 1.51, but heat none, being opaque. From Wordnik.com. [The Chemistry, Properties and Tests of Precious Stones] Reference
The refractive index of gypsum is 1.54, but heat none, being opaque. From Wordnik.com. [The Chemistry, Properties and Tests of Precious Stones] Reference
The action of the lens is aided by several refractive media in the eye. From Wordnik.com. [A Practical Physiology] Reference
Its specific gravity at 15° C. is 0. 883-0.885; refractive index at 20° C. From Wordnik.com. [The Handbook of Soap Manufacture] Reference
Its specific gravity at 15° C. is 0. 936-0.940; refractive index at 20° C. From Wordnik.com. [The Handbook of Soap Manufacture] Reference
So with women it became more reflective and refractive of a series of life choices. From Wordnik.com. [Moms: ‘We Need To Talk’] Reference
It is highly prized by mineralogists on account of its double refractive qualities. From Wordnik.com. [Wealth of the World's Waste Places and Oceania] Reference
He thought that's a telltale sign of gallbladder, refractive pain on the right side. From Wordnik.com. [CNN Transcript May 31, 2008] Reference
Its specific gravity at 15° C. is 0.9795; optical rotation, - 18°; and refractive index at 20° C. From Wordnik.com. [The Handbook of Soap Manufacture] Reference
The effects so produced are the differential results of the change of figure and of refractive index. From Wordnik.com. [On Laboratory Arts] Reference
These angles can be definitely altered for different materials, according to their refractive indices. From Wordnik.com. [A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public] Reference
Where the surface was hard and dense, Brewster found the refractive index to approach that of semi opal. From Wordnik.com. [Scientific American Supplement, No. 595, May 28, 1887] Reference
In refractive power and dispersion of the coloured rays of light, called its fire, it stands pre-eminent. From Wordnik.com. [The Chemistry, Properties and Tests of Precious Stones] Reference
I. -- But the refractive power of the diamond is so immense, that the image will be formed within the lens. From Wordnik.com. [The Atlantic Monthly, Volume 01, No. 03, January, 1858] Reference
In general it is sufficient to consider the change of shape only and neglect the change in refractive power. From Wordnik.com. [On Laboratory Arts] Reference
It is doubly refractive, whereas spinel and the diamond, which two it closely resembles, are singly refractive. From Wordnik.com. [The Chemistry, Properties and Tests of Precious Stones] Reference
The tourmaline has a light-refractive index of 1.63, with a heat index of none, being to heat-rays completely opaque. From Wordnik.com. [The Chemistry, Properties and Tests of Precious Stones] Reference
Examine with the microscope a drop of milk, noting numerous small, highly refractive oil globules floating in a fluid. From Wordnik.com. [A Practical Physiology] Reference
What is the reason that some vibrios exhibit refractive corpuscles, generally of a lenticular form, such as we see in FIG. From Wordnik.com. [The Harvard Classics Volume 38 Scientific Papers (Physiology, Medicine, Surgery, Geology)] Reference
Electromagnetically induced transparency, says Stanford physicist Steve Harris, spectacularly alters sodium's refractive properties. From Wordnik.com. [Going Faster Than Light?] Reference
Messrs. Chance of Birmingham, according to the following abbreviated list of names and refractive indices, which may be relied upon. From Wordnik.com. [On Laboratory Arts] Reference
Make sure the eye doctor performs a detailed, free examination, measuring corneal topography, thickness, pupil size and refractive error. From Wordnik.com. [Health: Life Without Glasses] Reference
There is one other stone which is exceptional, but in less degree and in the other direction, namely, topaz, whose refractive index is not. From Wordnik.com. [Scientific American Supplement, No. 1082, September 26, 1896] Reference
They are always clear and highly refractive from containing little water, and they do not so readily absorb staining material as the ordinary rods. From Wordnik.com. [The Story of Germ Life] Reference
In an experimental prism a mixture of balsam of tolu was made use of, giving a cement with an index of refraction of 1.62, but the low refractive power resulted in. From Wordnik.com. [Scientific American Supplement, No. 441, June 14, 1884.] Reference
In the case of thin plates of calcite, a solid cementing substance of sufficiently high refractive power was not available, and a fluid medium was therefore employed. From Wordnik.com. [Scientific American Supplement, No. 441, June 14, 1884.] Reference
The optical properties of the various glasses vary chiefly with their densities, and the denser the material the higher the refractive index and the greater the dispersion. From Wordnik.com. [A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public] Reference
Then recent experiments on the refractive power of ebonite were detailed -- the rough results tending to give greater weight to Clerk-Maxwell's electro-magnetic theory of light. From Wordnik.com. [Scientific American Supplement, No. 288, July 9, 1881] Reference
By the action of the crystalline lens, aided by the refractive media, the rays of light that are parallel when they fall upon the normal eye are brought to a focus on the retina. From Wordnik.com. [A Practical Physiology] Reference
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