Noun | 1. | reciprocal - something (a term or expression or concept) that has a reciprocal relation to something else; "risk is the reciprocal of safety" |
2. | reciprocal - (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 Synonyms: multiplicative inverse | |
3. | reciprocal - hybridization involving a pair of crosses that reverse the sexes associated with each genotype Synonyms: reciprocal cross | |
Adj. | 1. | reciprocal - concerning each of two or more persons or things; especially given or done in return; "reciprocal aid"; "reciprocal trade"; "mutual respect"; "reciprocal privileges at other clubs" Synonyms: mutual Antonyms: nonreciprocal - not reciprocal |
2. | reciprocal - of or relating to or suggestive of complementation; "interchangeable electric outlets" Synonyms: interchangeable, complementary | |
3. | reciprocal - of or relating to the multiplicative inverse of a quantity or function; "the reciprocal ratio of a:b is b:a" |