|1.||[ adjective ] concerning each of two or more persons or things; especially given or done in return;|
"reciprocal aid" "reciprocal trade" "reciprocal respect" "reciprocal privileges at other clubs"
|Related terms:||nonreciprocal mutual retaliative inverse complementary avenging requited reciprocative bilateral interactional reciprocating correlative|
|2.||[ noun ] (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|
|Related terms:||inverse mathematics|
|3.||[ noun ] (biology,sexuality) hybridization involving a pair of crosses that reverse the sexes associated with each genotype|
|4.||[ noun ] something (a term or expression or concept) that has a reciprocal relation to something else|
"risk is the reciprocal of safety"
|5.||[ adjective ] of or relating to the multiplicative inverse of a quantity or function|
"the reciprocal ratio of a:b is b:a"
|6.||[ adjective ] of or relating to or suggestive of complementation|
"interchangeable electric outlets"
|7.||[ noun ] (math) one of a pair of numbers whose product is 1: the reciprocal of 2/3 is 3/2; the inverse of 7 is 1/7|
|Related terms:||opposition reciprocality multiplicative_inverse additive_inverse|