Math. [f. BI- pref.2 II + MODULUS.] The double of the modulus of a system of logarithms. Bimodular a., of or pertaining to the bimodulus.
1881. Nature, XXIII. 379. A bimodular method is one founded on the familiar proposition, that if the bimodulus be multiplied by the difference and divided by the sum of two numbers, the result would be approximately the difference of their logarithms.
1881. Athenæum, 12 Feb., 237/2. An Improved Bimodular Method.