reciprocation

An alternating back-and-forth movement.

The act or fact of reciprocating; interchange.

The process of taking the reciprocal (of a curve, proposition, or quantity).

In geometry, the correlation of two reciprocal figures. See reciprocal, a., 4.

A going back and forth; alternation of movement.

The act of reciprocating; interchange of acts; a mutual giving and returning: as, the reciprocation of kindnesses.

In logic, the relation of two propositions each the converse of the other.

The act of reciprocating; interchange of acts; a mutual giving and returning.

Alternate recurrence or action.

The act of reciprocating; interchange of acts; a mutual giving and returning; as, the reciprocation of kindness.