拡張(かくちょう)

かくちょう
noun / suru verb
expansion; extension; enlargement
1. expansion, extension, enlargement
The act of making something larger in size, scope, or capacity. Used for physical spaces, systems, territories, and abstract concepts like power or influence.
事業(じぎょう)を海外(かいがい)に拡張(かくちょう)する。
To expand the business overseas.
道路(どうろ)の拡張(かくちょう)工事(こうじ)が行(おこな)われている。
Road widening construction is underway.
ブラウザの拡張(かくちょう)機能(きのう)をインストールして、作業(さぎょう)効率(こうりつ)が上(あ)がった。
I installed a browser extension and my work efficiency improved.

USAGE:
拡張(かくちょう) is used broadly for making things bigger or wider — from physical expansion (roads, buildings) to abstract expansion (business, influence). In computing, 拡張(かくちょう)機能(きのう) means "extension" or "add-on."

COMPARISON WITH SIMILAR WORDS:

  • 拡大(かくだい): to enlarge or magnify (often visual); broader use
  • 拡張(かくちょう): to extend or expand (scope, capacity, area); often implies adding to an existing base
  • 膨張(ぼうちょう): to swell or inflate (physical or economic)

COMMON COLLOCATIONS:

  • 事業(じぎょう)拡張(かくちょう): business expansion
  • 領土(りょうど)の拡張(かくちょう): territorial expansion
  • 拡張(かくちょう)工事(こうじ): expansion construction
  • 拡張(かくちょう)機能(きのう): extension, add-on (computing)
  • 拡張(かくちょう)子(し): file extension (computing)
general
Added 2026.2.22 20:07
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