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Dictionary definition for: Reciprocal
1. (n) something (a term or expression or concept) that has a reciprocal relation to something else; "risk is the reciprocal of safety"
2. (a) 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"
3. (n) (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
4. (s) of or relating to or suggestive of complementation; "interchangeable electric outlets"
5. (n) hybridization involving a pair of crosses that reverse the sexes associated with each genotype
6. (s) of or relating to the multiplicative inverse of a quantity or function; "the reciprocal ratio of a:b is b:a"
WordNet 2.1 Copyright Princeton University. All rights reserved.