réciproque[Français]

adjectif satellite
1 : of or relating to the multiplicative inverse of a quantity or function; "the reciprocal ratio of a:b is b:a"
nom
1 : hybridization involving a pair of crosses that reverse the sexes associated with each genotype
2 : something (a term or expression or concept) that has a reciprocal relation to something else
adjectif
1 : concerning each of two or more persons or things; especially given or done in return