radiomicrometer

[ rey-dee-oh-mahy-krom-i-ter ]
/ ˌreɪ di oʊ maɪˈkrɒm ɪ tər /

noun

an instrument for measuring small amounts of radiant energy, consisting of a sensitive thermocouple connected to a galvanometer.

Origin of radiomicrometer

First recorded in 1885–90; radio- + micrometer1

British Dictionary definitions for radiomicrometer

radiomicrometer
/ (ˌreɪdɪəʊmaɪˈkrɒmɪtə) /

noun

an instrument for detecting and measuring small amounts of radiation, usually by a sensitive thermocouple