Found 2 items, similar to therm.
English → English (WordNet) Definition: therm therm n : a unit of heat equal to 100,000 British thermal units
English → English (gcide) Definition: Therm Therm \Therm\ (th[~e]rm), n. one of several units of heat, especially one equivalent to 1000 large calories, or 100,000 British thermal units. [PJC]