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.

COMMON COMPOUNDS:

  • 三角柱(さんかくちゅう): triangular prism
  • 四角柱(しかくちゅう): square prism (cuboid)
  • 六角柱(ろっかくちゅう): hexagonal prism

SIMILAR WORDS:

  • 円柱(えんちゅう): cylinder — round cross-section instead of polygonal
  • 角錐(かくすい): pyramid — comes to a single point instead of a parallel face
  • 柱(はしら): pillar (general, everyday word)
general
Added 2026.6.7 11:04
28500/28899_kakuchuu