reciprocal

/ɹɪsˈɪpɹəkəl/ · 4 syllables

Meaning

adjective

1. concerning each of two or more persons or things; especially given or done in return
   “reciprocal aid”
2. of or relating to the multiplicative inverse of a quantity or function
   “the reciprocal ratio of a:b is b:a”

noun

1. something (a term or expression or concept) that has an inverse relation to something else
   “risk is the reciprocal of safety”
2. (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. hybridization involving a pair of crosses that reverse the sexes associated with each genotype

Synonyms for reciprocal

• mutual
• bilateral
• trilateral
• correlative
• interactional
• reciprocative
• inverse
• multiplicative inverse
• reciprocal cross

Antonyms of reciprocal

• nonreciprocal