spectroradiometer

About 0.02 uses per million words.

Meaning

1. noun A device that measures the spectral power distributions of illuminants, used to evaluate and categorize lighting or to calibrate display technology.

Similar words

spectroreflectometer radiometer telespectroradiometer spectropolarimeter photospectroradiometer reflectometer spectroheliometer irradiometer photospectrometer spectrocolorimeter

Often followed by

is for and with was to measurements at data