释义 |
relative index of refraction
relative index of refraction[′rel·əd·iv ′in‚deks əv ri′frak·shən] (optics) The ratio of the velocity of light in one medium to that in another medium. relative index of refraction
index of refraction, relativeThe ratio of the speed of light in air (or other medium of reference) to the speed of light in a given medium. |