1. (mathematics) one of a pair of numbers whose product is 1: the reciprocal of 2/3 is 3/2; the multiplicative inverse of 7 is 1/7;

[syn: multiplicative inverse, reciprocal]

WordNet (r) 3.0 (2006):

multiplicative inverse n 1: (mathematics) one of a pair of numbers whose product is 1: the reciprocal of 2/3 is 3/2; the multiplicative inverse of 7 is 1/7 [syn: multiplicative inverse, reciprocal]