Webster’s Revised Unabridged Dictionary · 1913
Telethermometer
Tel′e·ther·mom′e·ter (tĕl′ē·thẽr·mŏm′ē·tẽr), n. [Gr. τῆλε far off + E. thermometer.] (Physics) An apparatus for determining the temperature of a distant point, as by a thermoelectric circuit or otherwise.