主要部(しゅようぶ)

しゅようぶ
noun
main part; principal section; core portion
1. main part; principal section; core portion
The central or most important part of a structure, document, machine, or system. Used to single out the essential portion from secondary or peripheral ones.
建物(たてもの)の主要部(しゅようぶ)が完成(かんせい)した。
The main part of the building is finished.
報告書(ほうこくしょ)の主要部(しゅようぶ)だけを読(よ)んだ。
I read only the main part of the report.
システムの主要部(しゅようぶ)に不具合(ふぐあい)が見(み)つかり、復旧(ふっきゅう)に時間(じかん)がかかった。
A fault was found in the core part of the system, and recovery took a long time.

Formed from 主要(しゅよう) (main, principal) plus the suffix 部(ぶ) (part, section). It picks out the central portion of something composed of several parts.

COMMON COLLOCATIONS:

  • 主要部(しゅようぶ)を占(し)める: to make up the main part
  • 主要部(しゅようぶ)が完成(かんせい)する: the main part is completed
  • システムの主要部(しゅようぶ): the core of the system

SIMILAR WORDS:

  • 中心部(ちゅうしんぶ): central part — emphasizes physical or geographic center
  • 根幹(こんかん): backbone, core — the most fundamental basis, more abstract
general
Added 2026.6.18 9:19
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