直方体(ちょくほうたい)

ちょくほうたい
noun
rectangular solid; cuboid; rectangular parallelepiped
science
1. rectangular solid; cuboid
A three-dimensional shape with six rectangular faces, like a box or brick.
この箱(はこ)は直方体(ちょくほうたい)の形(かたち)をしている。
This box has the shape of a rectangular solid.
直方体(ちょくほうたい)の体積(たいせき)は縦(たて)×横(よこ)×高(たか)さで求(もと)められる。
The volume of a cuboid can be found by length × width × height.
小学校(しょうがっこう)の算数(さんすう)では直方体(ちょくほうたい)と立方体(りっぽうたい)の違(ちが)いを学(まな)び、展開図(てんかいず)を描(か)く練習(れんしゅう)をする。
In elementary school math, students learn the difference between cuboids and cubes, and practice drawing net diagrams.

A mathematical term used from elementary school onward. A 直方体(ちょくほうたい) has six faces that are all rectangles, with opposite faces being identical. A 立方体(りっぽうたい) (cube) is a special case where all edges are equal.

Common collocations

Related words

Related Words

Related: 立方体(りっぽうたい) (cube)
Related: 円柱(えんちゅう) (cylinder)
Related: 円筒(えんとう) (cylinder)
general
Added 2026.4.19 22:11 · Revised 2026.9.2 13:02
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