R₁E₁F₄L₁E₁C₃T₁O₁M₃E₁T₁E₁R₁

20 points

REFLECTOMETER is validvalid

a device that measures reflectance [n REFLECTOMETERS]

184,442 of 196,601 in NWL2023·also valid in CSW24

instrument for measuring reflectance of radiant energy [n -S]

201,473 of 280,887 in CSW24·also valid in NWL2023