Involution

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Look up involution in Wiktionary, the free dictionary.

Involution is when something turns in upon itself. It may refer to:

In mathematics:

• Involution (mathematics), a function that is its own inverse.
• Involute, a construction in the differential geometry of curves.

In medicine:

• Involution (medicine), the shrinking of an organ.

In biology:

• Involution (biology), the process by which the uterus is transformed from pregnant to non-pregnant state.

In philosophy:

• Involution (metaphysics), several notions of a counterpart to evolution.
• Involution (Meher Baba), the inner path of the human soul to the Self.

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