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Wordabulary

heat capacity

Pronunciation
Noun B2 Upper-intermediate

Quick answer

The amount of energy needed to raise the temperature of an object or substance by one degree.

"Water has an unusually high heat capacity, which is why it takes so long to heat up a full kettle."

Usage notes

Specific heat capacity refers to the heat needed per unit mass, which is what lets you fairly compare different materials.

Test yourself

Which word fits the gap? "Water has an unusually high _____, which is why it takes so long to heat up a full kettle."

Answer: heat capacity

In your own words, what does "heat capacity" mean?

The amount of energy needed to raise the temperature of an object or substance by one degree.

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