Re‐cip″ro‐cal‐ly (rē̍‐sĭp″rō̍‐kal‐ly̆), 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.