| 单词 | refractometers |
| 释义 | refract /ri-fraktˈ/transitive verb
Refracted ORIGIN: L refringere, refrāctum, from frangere to break refractˈable adjective Refrangible refracˈted adjective
refractˈing adjective refracˈtion noun refracˈtional adjective refracˈtive adjective
refracˈtively adverb refractivity /rē-frak-tivˈi-ti/ noun rēfractomˈeter noun An instrument for measuring refractive indices refractometˈric adjective refractomˈetry noun refracˈtor /ri-/ noun
refracting telescope noun One in which the principal means of focusing the light is an object glass refraction correction noun (astronomy) The correction made in the calculation of the altitude of a star, planet, etc to allow for the refraction of its light by the earth's atmosphere refractive index noun The ratio of the sine of the angle of incidence to that of the angle of refraction when a ray passes from one medium to another angle of refraction The angle between a refracted ray and the normal to the bounding surface double refraction The separation of an incident ray of light into two refracted rays, polarized in perpendicular planes |
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