12 letters · 21 points in Scrabble
noun a kind of thermometer consisting of two wires of different metals that are joined at both ends; one junction is at the temperature to be measured and the other is held at a fixed lower temperature; th
originEtymology tree Proto-Indo-European *gʷʰer-der. Ancient Greek θερμός (thermós)der. English thermo- English couple English thermocouple From thermo- + couple.
Etymology from Wiktionary, CC BY-SA 3.0