thermal capacity

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thermal capacity:

see heat capacityheat capacity
or thermal capacity,
ratio of the change in heat energy of a unit mass of a substance to the change in temperature of the substance; like its melting point or boiling point, the heat capacity is a characteristic of a substance.
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thermal capacity

[′thər·məl kə′pas·əd·ē]
(thermodynamics)

heat capacity, thermal capacity

The amount of heat necessary to raise the temperature of a given mass by 1 degree; numerically equal to the mass multiplied by the specific heat.