the ratio of the velocity of light (or other electromagnetic radiation) in a standard medium (usually air or a vacuum) to its velocity in a…
| 单词 | θ76357 |
| 释义 | the world > matter > physics > electromagnetic radiation > light > refraction > [noun] > index of refraction (12) refractive index1820 the ratio of the velocity of light (or other electromagnetic radiation) in a standard medium (usually air or a vacuum) to its velocity in a… index of refraction1829 In various sciences, a number or formula expressing some property, form, ratio, etc. of the thing in… Optics. index of refraction or refractive index… refraction index1850 = refractive index n. at refractive, adj. compounds. Subcategories:— constant (2) — variation in (1) — law concerning (1) — measurement of indices (4) — stress-optical co-efficient (1) |
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