主要部(しゅようぶ)

しゅようぶ
noun
main part; principal section; core portion
abstract
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

Similar words

Related Words

Compare: 中心部(ちゅうしんぶ) (central part)
Compare: 根幹(こんかん) (backbone, core)
general
Added 2026.6.18 9:19 · Revised 2026.9.2 13:02
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