角柱(かくちゅう)

かくちゅう
noun
prism (geometric); square pillar
1. prism (geometric solid); square pillar
In geometry, a prism — a solid with two identical, parallel polygonal faces connected by rectangular faces. Also used outside math for square-cross-section pillars in buildings.
角柱(かくちゅう)の体積(たいせき)を求(もと)める。
Find the volume of a prism.
三角柱(さんかくちゅう)には底面(ていめん)が二(ふた)つある。
A triangular prism has two base faces.
この建物(たてもの)は大(おお)きな角柱(かくちゅう)で支(ささ)えられている。
This building is supported by large square pillars.

Compound of 角(かく) (corner; angle) + 柱(ちゅう) (pillar). The math meaning is the more common one in textbooks; the architectural meaning appears in construction contexts.

Compounds

  • 三角柱(さんかくちゅう): triangular prism
  • 四角柱(しかくちゅう): quadrangular prism (e.g. a cuboid)
  • 六角柱(ろっかくちゅう): hexagonal prism

Similar words

Related Words

Compare: 円柱(えんちゅう) (cylinder)
Compare: 角錐(かくすい) (pyramid)
general
Added 2026.6.7 11:04 · Revised 2026.9.29 10:50
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