部門|ぶもんbumon[1]atamadaka (head-high)

1. no-adjectivedivision (of a larger group); branch; field; class (subclass); group; category; department
   歴史学れきしがくは人文じんぶん科学かがくの一部いちぶ門もんである。↗

   History is a branch of the humanities.

• SynonymセクションNeutralLoanword for a department, or a section or chapter of something; common in speech. 「部門」 sounds more formal and also covers competition categories.
• Synonym課かNeutralA section in a company or government office, one level below a 「部」; 「部門」 is a larger business category.
• Synonym部局ぶきょくWrittenWritten/formal: a collective term for the bureaus and departments of a government office; 「部門」 is broader and also used for companies.
• Synonym部署ぶしょNeutralThe post or department an individual is assigned to, stressing one's position; 「部門」 stresses the business category itself.
• SynonymセクターNeutralLoanword for an economic sector, or a disk sector in computing; 「部門」 is the everyday word for organizational divisions.
• Synonym部類ぶるいNeutralA class within a classification, as in 「〜の部類に入る」; 「部門」 stresses organization.
• Synonym分科ぶんかWrittenWritten/formal: subjects or disciplines split off into subdivisions, as in 「分科会」; 「部門」 is broader.
• Synonym分野ぶんやNeutralA field of study, work or activity; 「部門」 is about organizational divisions or award categories.
• Synonym事業部じぎょうぶNeutralA large company division organized around a particular product or service; 「部門」 is broader and also covers competition categories.
• Related支部しぶNeutralA local branch of a political party or other organization; 「部門」 is a division defined by line of business.
• Related支社ししゃNeutralA branch company or branch office of a firm; 「部門」 is a unit defined by line of business.
• Related支所ししょNeutralA branch office a government body or company sets up away from headquarters; 「部門」 is about business classification.
• RelatedカテゴリNeutralLoanword for a category or class, leaning toward IT contexts; 「部門」 points to organizational divisions or competition categories.
• Related種類しゅるいNeutralKind or type in a general, everyday sense; 「部門」 is used for organizational divisions or award categories.
• Related学部がくぶNeutralA faculty or school within a university; 「部門」 covers divisions in companies, universities, hospitals, competitions and the like.
• Related領域りょういきNeutralA field or domain, often in academic contexts; 「部門」 is about organizational divisions.
• Related局きょくNeutralA bureau-level agency, or a station such as a broadcaster or post office; 「部門」 is a category of business activity.
• Related支局しきょくNeutralA branch bureau, mainly of a newspaper or broadcaster; 「部門」 is a category of business activity.

Use 「部門」 for a company's business divisions or the categories of a competition or award, as in 「営業部門」 and 「最優秀作品部門」. For a section within a company or office say 「課」, for one's own post 「部署」, for a branch company 「支社」, for a class or category 「部類」, and for a field of activity 「分野」.

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

1. 組織そしきなどで、全体ぜんたいを分類ぶんるいしたそれぞれの部分ぶぶん。
2. 競技会きょうぎかいや賞しょうの選定せんてい、記録きろくの比較ひかくなどで、その属性ぞくせいなどにより対象者たいしょうしゃを区分くわけした各群かくぐん。