disgregation

Meaning

  1. Separation; scattering.
  2. (obsolete) A measure of the separation of the particles of a system; an early formulation of entropy.

Etymology

Borrowed from Latin disgregātiō, from dis- (“apart”) + grex (“flock”). The thermodynamics sense was introduced in 1862 by German physicist Rudolf Clausius in his formulation of what is now called the second law of thermodynamics.

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