specific heat

American  

noun

Physics.

1. the number of calories required to raise the temperature of 1 gram of a substance 1°C, or the number of BTU's per pound per degree F.

2. (originally) the ratio of the thermal capacity of a substance to that of standard material.

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specific heat Scientific  

1. See under heat capacity

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specific heat Cultural  

1. The amount of heat needed to raise the temperature of one gram of a substance by one degree Celsius, or to raise the temperature of one pound of a substance by one degree Fahrenheit (see also Fahrenheit).

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Etymology

Origin of specific heat

First recorded in 1825–35

Compare meaning

How does specific-heat compare to similar and commonly confused words? Explore the most common comparisons:

• heat capacity vs. specific heat

Example Sentences

Additional evidence came from specific heat measurements, which supported the idea that these predicted emergent photons follow a dispersion resembling the way sound moves through a solid.

From Science Daily • Dec. 17, 2025

“Without a specific heat standard, it makes it more challenging for regulators to decide, ‘OK, this employer’s breaking the law or not.’”

From Washington Times • Aug. 28, 2023

Values of specific heat must generally be looked up in tables, because there is no simple way to calculate them.

From Textbooks • Aug. 12, 2015

What is the rate of heat transfer from this forced convection alone, assuming blood has the same specific heat as water and its density is 1050 kg/m3 ?

From Textbooks • Aug. 12, 2015

He used the value 1⁄267 for the coefficient of expansion, and .267 for the specific heat of air.

From Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" by Various