D defs.my
Menu ☰
Entry 1 sense Webster, 1913

Refractive

/(r?*fr?kt"?v)/ · Re·fract·ive · IPA /rəfrˈæktɪv/
01 a. Serving or having power to refract, or turn from a direct course; pertaining to refraction; as, refractive surfaces; refractive powers.
  1. 1.
    Serving or having power to refract, or turn from a direct course; pertaining to refraction; as, refractive surfaces; refractive powers.
Phrases & compounds
Refractive index — See Index of refraction, under Index.
Absolute refractive index — the index of refraction of a substances when the ray passes into it from a vacuum.
Relative refractive index — the ratio of the sine of the angle of incidence to the sine of the angle of refraction for a ray passing out of one of the media into the other.