## Noun Definition

## reciprocal

1.**Definition**: (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

2.**Definition**: hybridization involving a pair of crosses that reverse the sexes associated with each genotype

3.**Definition**: something (a term or expression or concept) that has an inverse relation to something else

*"Risk is the reciprocal of safety"*