A measure of disorder or randomness in a system; figuratively, a gradual decline into disorder.

From German Entropie, coined by Clausius from Greek entropia, a turning towards, from en, in, plus trope, transformation.

disorder randomness decay degradation
order organisation structure stability
"Without constant maintenance, public institutions drift towards entropy as rules erode and accountability weakens."

A concept from thermodynamics useful in GS3 science answers and, figuratively, in essays on institutional decay. Use it to argue for renewal, for example, 'reforms are the energy that counters the entropy of ageing bureaucracies.'

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