Dictionary definition · reciprocal
noun
- something (a term or expression or concept) that has an inverse relation to something else"risk is the reciprocal of safety"
- (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
- hybridization involving a pair of crosses that reverse the sexes associated with each genotype
adjective
- concerning each of two or more persons or things; especially given or done in return"reciprocal aid"
- of or relating to the multiplicative inverse of a quantity or function"the reciprocal ratio of a:b is b:a"
Similar words
Source: Open English WordNet (CC BY 4.0).