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'Chaos' (derived from the Greek , ''Chaos'') typically refers to unpredictability, and is the antithetical concept of cosmos.
The word did not mean "disorder" in classical-period ancient Greece. It meant "the primal emptiness, space" (see Chaos (mythology)). ''Chaos'' is derived from the Proto-Indo-European root ''ghn'' or ''ghen'' meaning "gape, be wide open": compare "chasm" (from Greek ''), and Anglo-Saxon ''gānian'' ("yawn"), ''geanian, ginian'' ("gape wide"); see also Old Norse Ginnungagap. Due to people misunderstanding early Christian uses of the word, the meaning of the word changed to "disorder". (''The Ancient Greek for "disorder" is ''.'').
Mathematically, ''chaos'' means an aperiodic deterministic behavior which is very sensitive to its initial conditions, i.e., infinitesimal perturbations of boundary conditions for a chaotic dynamic system originate finite variations of the orbit in the phase space; see chaos theory.

Contents

Physics

See also

Physics

Main articles: Chaos (physics)

Chaos in physics is often considered analogous to thermodynamic entropy.

See also

★ Chaos theory

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★ Butterfly effect

★ Discordianism

★ Interconnectedness