reflectance

reflectance

[ri-flek-tuhns]
noun Physics, Optics.
the ratio of the intensity of reflected radiation to that of the radiation incident on a surface.
Compare albedo.


Origin:
1925–30; reflect + -ance

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World English Dictionary
reflectance or reflection factor (rɪˈflɛktəns)
 
n
transmittance Compare absorptance ρ a measure of the ability of a surface to reflect light or other electromagnetic radiation, equal to the ratio of the reflected flux to the incident flux
 
reflection factor or reflection factor
 
n

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