reciprocal

باللغة العربية: مُتَبَادَل

1. 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
2. Mutually interchangeable.
3. Expressing mutual action, applied to pronouns and verbs; also in a broad sense: reflexive.
4. Used to denote different kinds of mutual relation; often with reference to the substitution of reciprocals for given quantities.