Reciprocally
Pronunciation : Re*cip"ro*cal*ly
Part of Speech : adv.
Definition : 1. In a reciprocal manner; so that each affects the other, and is equally affected by it; interchangeably; mutually. These two particles to reciprocally affect each other with the same force. Bentley.
2. (Math.)
Defn: 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.
Source : Webster's Unabridged Dictionary, 1913