noun, noun which may take the genitive case particle 'no'
heterosexuality; heterosexual love
Refers to sexual and romantic attraction to the opposite sex. Often used in academic or formal contexts, but also in everyday language.
Heterosexuality is the majority sexual orientation in many societies.
An event for heterosexual people was held.
Bisexuality; attraction to both sexes.
異性愛 refers to attraction between people of different sexes, the direct opposite of 同性愛, which refers to attraction between people of the same sex.
heterosexual person
Compound of 異性 (isei, 'opposite sex') and 愛 (ai, 'love'). The term is a modern coinage, likely from the early 20th century, paralleling the formation of 同性愛 (dōseiai, 'homosexuality').