英语词汇“refractive index”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

refrac′tive in′dex, [Optics.]

refractive index n

a measure of the extent to which radiation is refracted on passing through the interface between two media. It is the ratio of the sine of the angle of incidence to the sine of the angle of refraction, which can be shown to be equal to the ratio of the phase speed in the first medium to that in the second. In the case of electromagnetic radiation, esp light, it is usual to give values of the absolute refractive index of a medium, that is for radiation entering the medium from free space

单词	refractive index
释义	WordReference Random House Unabridged Dictionary of American English © 2024 refrac′tive in′dex, [Optics.] OpticsSee index of refraction. 1830–40 Collins Concise English Dictionary © HarperCollins Publishers:: refractive index n a measure of the extent to which radiation is refracted on passing through the interface between two media. It is the ratio of the sine of the angle of incidence to the sine of the angle of refraction, which can be shown to be equal to the ratio of the phase speed in the first medium to that in the second. In the case of electromagnetic radiation, esp light, it is usual to give values of the absolute refractive index of a medium, that is for radiation entering the medium from free space
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