therm

1. a. A unit of heat equal to 100,000 British thermal units (1.054 × 10⁸ joules).
   b. A unit of heat equal to 1,000 large calories.
2. a. A unit of heat equal to the large calorie.
   b. A unit of heat equal to the small calorie.

Origin:

Origin: Greek thermē, heat

Origin: , from thermos, warm, hot; see g^wher- in Indo-European roots

Origin:

Origin: From Greek thermē, heat

Origin: , from thermos, warm, hot; see g^wher- in Indo-European roots