mechanical equivalent of heat
noun
(in any system of physical units) the number of units of work or energy equal to one unit of heat, as 4.1858 joules, which equals one small calorie.
Origin of mechanical equivalent of heat
First recorded in 1835–45
Words nearby mechanical equivalent of heat
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British Dictionary definitions for mechanical equivalent of heat
mechanical equivalent of heat
noun
physics
a factor for converting units of energy into heat units. It has the value 4.1868 joules per calorie
Symbol: J