Re*cip"ro*cal*ly (r&esl;*s&ibreve;p"r&osl;*kal*l&ybreve;), adv. 1. In a reciprocal manner; so that each affects the other, and is equally affected by it; interchangeably; mutually.

These two particles do reciprocally affect each other with the same force.

Bentley.

2. (Math.) In the manner of reciprocals.

Reciprocally proportional(Arith. & Alg.), proportional, as two variable quantities, so that the one shall have a constant ratio to the reciprocal of the other.