1. hybridization involving a pair of crosses that reverse the sexes associated with each genotype

    Synonyms : reciprocal cross
    Type Of : cross, crossbreeding, crossing, hybridisation, hybridization, hybridizing, interbreeding
  2. concerning each of two or more persons or things; especially given or done in return

    Synonyms : mutual
    Antonyms : nonreciprocal
    Examples :
    • reciprocal aid
    • reciprocal trade
    • reciprocal privileges at other clubs
  3. (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
    Type Of : inverse, opposite
  4. of or relating to the multiplicative inverse of a quantity or function

    Examples :
    • the reciprocal ratio of a:b is b:a
  5. something (a term or expression or concept) that has an inverse relation to something else

    Type Of : reciprocality, reciprocity
    Examples :
    • risk is the reciprocal of safety