re·frac·tive /rɪˈfræktɪv/
(a.)折射的,有折射力的,屈折的
re·frac·tive /rɪˈfræktɪv/ 形容詞
折射的,折光的,屈折的
Re·fract·ive a. Serving or having power to refract, or turn from a direct course; pertaining to refraction; as, refractive surfaces; refractive powers.
Refractive index. Opt. See Index of refraction, under Index.
Absolute refractive index Opt., the index of refraction of a substances when the ray passes into it from a vacuum.
Relative refractive index (of two media) Opt., 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.
◄ ►
refractive
adj 1: of or relating to or capable of refraction; "the refractive
characteristics of the eye" [syn: refractile]
2: capable of changing the direction (of a light or sound wave)
[syn: deflective]