10 letters · 17 points in Scrabble
noun a kind of thermometer for measuring heat radiation; consists of several thermocouple junctions in series
originEtymology tree Proto-Indo-European *gʷʰer-der. Ancient Greek θερμός (thermós)der. English thermo- English pile English thermopile From thermo- + pile.
Etymology from Wiktionary, CC BY-SA 3.0