refractive

[ ri-frak-tiv ]

/ rɪˈfræk tɪv /

of or relating to refraction.

Also refractile. having power to refract.

Origin of refractive

First recorded in 1665–75, refractive is from the Late Latin word refrāctīvus (of pronouns) reflexive. See refract, -ive

re·frac·tive·ly, adverb re·frac·tive·ness, noun non·re·frac·tive, adjective non·re·frac·tive·ly, adverb

non·re·frac·tive·ness, noun un·re·frac·tive, adjective un·re·frac·tive·ly, adverb un·re·frac·tive·ness, noun

Generally the two spherical surfaces enclose a glass lens, and are bounded on the outside by air of refractive index 1.

Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 4 |Various
Although the ratio of the sines is constant, the refractive index varies in different media.

An Elementary Text-book of the Microscope |John William Griffith
The refractive indices of jargoon are much higher than those of tourmaline (see Zircon).

Encyclopaedia Britannica, 11th Edition, Volume 15, Slice 3 |Various
The refractive index of the liquid for the D sodium ray is 1.2236.

Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 7 |Various

These angles can be definitely altered for different materials, according to their refractive indices.

A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public |Frank Bertram Wade

refractive

/ (rɪˈfræktɪv) /

of or concerned with refraction

(of a material or substance) capable of causing refraction

refractively, adverb refractiveness or refractivity (ˌriːfrækˈtɪvɪtɪ), noun