negative entropy

In 1943 Erwin Schrödinger used the concept of “negative entropy” in his popular-science book What is life?. Later, Léon Brillouin shortened the expression to a single word, negentropy. Schrödinger introduced the concept when explaining that a living system exports entropy in order to maintain its own entropy at a low level (see entropy and life). By using the term negentropy, he could express this fact in a more "positive" way: a living system imports negentropy and stores it.
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