RECIPROCAL

Definition of RECIPROCAL

  1. (noun)something (a term or expression or concept) that has an inverse relation to something else
  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
  3. (noun)hybridization involving a pair of crosses that reverse the sexes associated with each genotype
  4. (adj)of or relating to the multiplicative inverse of a quantity or function
  5. (adj)concerning each of two or more persons or things; especially given or done in return