毛髪|もうはつmouhatsu[0]heiban (flat)

1. nounhair

• SynonymヘアNeutralLoanword used mainly in hairdressing, as in 「ヘアスタイル」; it can also mean pubic hair. 「毛髪」 is the formal term.
• Synonym髪かみNeutralThe everyday word for the hair on one's head. 「毛髪」 is more formal and appears in medical contexts and hair-care products.
• Synonym毛けNeutralA general term covering body hair, animal fur and feathers; 「毛髪」 refers specifically to human hair.
• Synonym髪の毛かみのけNeutralThe most common everyday word, and it can also refer to a single hair. 「毛髪」 leans toward written style.
• Synonym頭髪とうはつWrittenWritten/formal prose for the hair on the head, as in 「頭髪検査」; 「毛髪」 can also cover body hair in general.
• Synonym毛筋けすじWrittenWritten style: a hair strand or the hairline, and by extension tiny details; 「毛髪」 means hair and human body hair as a whole.
• Related髢かもじWrittenWritten word for false hair added to one's own, and hair in general; 「毛髪」 is the ordinary term for hair.
• Related御髪おぐしFormalAn honorific for another person's hair, mostly used of women; 「毛髪」 is a neutral term.

In daily conversation say 「髪」 or 「髪の毛」; 「毛髪」 and 「頭髪」 are the written, medical choices, with 「毛髪」 also covering body hair. Use 「ヘア」 in hairdressing contexts and 「御髪」 as an honorific for someone's hair.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 髪の毛かみのけ。また、人体じんたいの毛けの総称そうしょう。