- Word History, Word Explorer, Word Parts
|part of speech:
||an instrument for measuring temperature. Some thermometers are made of a closed glass tube containing mercury or alcohol that rises or falls as the temperature rises or falls.
He checked the thermometer on the dashboard to make sure the engine was not overheating.
||thermometric (adj.), thermometrical (adj.), thermometrically (adv.)
comes from two ancient Greek words that mean "heat" and "measure."