heat capacity (redirected from heat capacities)

heat capacity

n.

The amount of heat required to raise the temperature of one mole or one gram of a substance by one degree Celsius without change of phase.

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heat capacity

The ratio of the heat energy absorbed by a substance to its increase in temperature. Heat capacity is also called thermal capacity. The specific heat or specific heat capacity of a substance is the heat capacity per unit mass, usually measured in joules per kilogram per degree Kelvin. See also latent heatthermodynamics