The process of printing on both sides of the printed-on material during its single pass through the printing press.
Mutually interchangeable.
Expressing mutual action, applied to pronouns and verbs; also in a broad sense: reflexive.
Of a feeling, action or such: mutual, uniformly felt or done by each party towards the other or others; two-way.
Done, given, felt, or owed in return
Used to denote different kinds of mutual relation; often with reference to the substitution of reciprocals for given quantities.
A construction expressing mutual action.
The number obtained by dividing 1 by another given number; the result of exchanging the numerator and the denominator of a fraction.