reciprocal

a. 互惠的、相互的、相等的、倒數的、彼此相反的

n. 倒數、互相起作用的事物

學術名詞

• 倒數：化學術語、計量學、電工學、電機工程、數學、食品科技
• 交互：計量學、動物學
• 互反：數學、資訊
• 互逆：數學、資訊
• 交互的：電力工程、醫學
• 相互的：電力工程、醫學
• 互易：計量學
• 互換：動物學

英文釋義

1. something (a term or expression or concept) that has an inverse relation to something else
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
4. concerning each of two or more persons or things; especially given or done in return