English word spectroradiometer comes from English spectro- (Optical spectra.), English radiometer (A device that measures radiant energy.)

Detailed word origin of spectroradiometer

Dictionary entry	Language	Definition
spectro-	English (eng)	Optical spectra.
radiometer	English (eng)	A device that measures radiant energy.
spectroradiometer	English (eng)	A device that measures the spectral power distributions of illuminants, used to evaluate and categorize lighting or to calibrate display technology.

Words with the same origin as spectroradiometer