reflectometer

[ ree-flek-tom-i-ter, ri- ]

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

Word History and Origins

Origin of reflectometer¹

First recorded in 1890–95; reflect + -o- + -meter