reciprocal
英[r?'s?pr?k(?)l]
美[r?'s?pr?kl]
- adj. 互惠的；相互的；倒數(shù)的，彼此相反的
- n. [數(shù)] 倒數(shù)；互相起作用的事物
英英釋意
- 1. something (a term or expression or concept) that has a reciprocal 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