noun
A direct loanword from English, used in Japanese to refer to sexual intercourse. It is a neutral, clinical term, though less common than native alternatives like 性交 (せいこう).
インターコースは性行為の医学的な言い方です。
'Intercourse' is a medical term for sexual activity.
性交 is the standard Japanese clinical term for sexual intercourse, while インターコース is a less common English loanword.
セックス is the most common casual term for sex, whereas インターコース is more formal and clinical.
Borrowed from English 'intercourse'.