— spectroradiometric /spek'troh ray'dee euh me"trik/ , adj. — spectroradiometry , n.
/spek'troh ray'dee om"i teuhr/ , n. Optics.
an instrument for determining the radiant-energy distribution in a spectrum, combining the functions of a spectroscope with those of a radiometer.
[ SPECTRO- + RADIOMETER ]