Sentence:  The same magnitude, but with a minus sign, i.e., the measure of macroscopic ordering, the measure of non-uniformity in the distribution of heat, the measure of the differences in temperature—temperature gradients—is called <WSD>"negentropy</WSD>". 
Meaning of the word marked with <WSD> tags:  The difference between the entropy of a system and the maximum possible entropy of the same system. (from 1950s)