Reflectometer
[ree-flek-tom-i-ter, ri-] /ˌri flɛkˈtɒm ɪ tər, rɪ-/
noun, Optics.
1.
a device for measuring reflectance.
reflectometer
/ˌriːflɛkˈtɒmɪtə/
noun
1.
(physics) an instrument for measuring the ratio of the energy of a reflected wave to the incident wave in a system
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