Dictionary
spec•tro•ra•di•om•e•ter
Pronunciation: (spek"trō-rā"dē-om'i-tur), [key]—
n. Optics.
an instrument for determining the radiant-energy distribution in a spectrum, combining the functions of a spectroscope with those of a radiometer.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.