(physics) the amount of heat required to raise the temperature of one unit of mass of a substance by one degree; also known as 比热容 bǐ​rè​róng or 比热容量 bǐ​rè​róng​liàng

capacity (the volume or amount that a container or storage device can hold, such as liquid in a cup or data on a hard drive; or the quantity of a physical property that can be stored or absorbed, such as heat capacity or electrical capacitance)