: the value of a unit quantity of heat in terms of mechanical work units with its most probable value in cgs measure being 4.1855 × 10 7 ergs per calorie — symbol J ; called also Joule's equivalent
MECHANICAL EQUIVALENT OF HEAT
Meaning of MECHANICAL EQUIVALENT OF HEAT in English
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012