The number obtained by dividing 1 by another given number; the result of exchanging the numerator and the denominator of a fraction.
0.5 is the reciprocal of 2.
(grammar) A construction expressing mutual action.
Of a feeling, action or such: mutual, uniformly felt or done by each party towards the other or others; two-way.
reciprocal love; reciprocal duties
Mutually interchangeable.
(grammar) expressing mutual action, applied to pronouns and verbs; also in a broad sense: reflexive
Used to denote different kinds of mutual relation; often with reference to the substitution of reciprocals for given quantities.
Done, given, felt, or owed in return
a reciprocal invitation to lunch