°the ratio of the amount of heat needed to raise the temperature of a unit mass of substance by a unit degree to the amount of heat needed to raise that of the same mass of water by the same amount.
°the amount of heat, in calories, needed to raise the temperature of 1 gram of water by 1 degree Celsius.
°the ratio of the amount of heat needed to raise the temperature of a unit mass of substance by a unit degree to the amount of heat needed to raise that of the same mass of water by the same amount.
°the amount of heat, in calories, needed to raise the temperature of 1 gram of water by 1 degree Celsius.