Reciprocal quantities

(Math.) any two quantities which produce unity when multiplied together.

See also: Reciprocal

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Rather, the linear scale and the more logical [beta]-scale should be embraced as complementary measures similar to the complementary use of reciprocal quantities such as density and volume, viscosity and fluidity, or conductance and resistance.