a. A measure of the unavailable energy in a system; i.e., energy that
cannot be converted into another form of energy. AGI
b. A measure of the mixing of different kinds of sediment; high entropy is
approach to unmixed sediment of one kind. AGI
c. Ratio of amount of heat added to air to the absolute temperature at
which it is added. Measured in Btu. Hartman, 1
d. Specific entropy is the ratio of entropy to weight of substance.
Dictionary of Mining, Mineral, and Related Terms