noun Etymology: Greek ~ē heat, from ~os hot; akin to Latin formus warm, Sanskrit gharma heat Date: 1888 a unit for quantity of heat that equals 100,000 British ~al units
THERM
Meaning of THERM in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012