REFRACTIVE INDEX


Meaning of REFRACTIVE INDEX in English

transcription, транскрипция: [ noun ]

Date: 1839

: the ratio of the speed of radiation (as light) in one medium (as air, glass, or a vacuum) to that in another medium

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.