Dictionary
ra•di•o•mi•crom•e•ter
Pronunciation: (rā"dē-ō-mī-krom'i-tur), [key]—
n.
an instrument for measuring small amounts of radiant energy, consisting of a sensitive thermocouple connected to a galvanometer.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.