異性は英語で
opposite sex

英語の定義

異性
1. n. the opposite sex (the other gender to which one is referring)
2. n. isomerism (phenomenon of the existence of isomers)

opposite sex

opposite sex

opposite sex
1. n. Women in relation to men or men in relation to women.

isomerism

isomerism

isomerism
1. n. (chemistry) the phenomenon of the existence of isomers - the existence of different substances with the same molecular formulae
2. n. (chemistry) the interconversion of isomers
3. n. (nuclear physics) nuclear isomerism, the phenomenon of the existence of nuclear isomers