Look up reciprocation in Wiktionary, the free dictionary.

Reciprocation may refer to

• Reciprocation (motion), a type of oscillatory motion, as in the action of a reciprocating saw
• Reciprocation (geometry), an operation in geometry related to circle inversion by which every point is transformed into a unique line and vice versa. Reciprocation is an example of the duality in projective geometry.

See also

• Reciprocity
• Reciprocal

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