noun
heat capacity
Scientific term used in physics and engineering; refers to the amount of heat required to raise the temperature of a substance by one degree.
水の熱容量は大きい。
Water has a large heat capacity.
この物質の熱容量を測定する。
Measure the heat capacity of this substance.
比熱 (specific heat) is heat capacity per unit mass, while 熱容量 is the total heat capacity of an object.
Compound of 熱 (heat) and 容量 (capacity).