直ちょく方ほう体たい

noun

rectangular prism; cuboid; rectangular solid

Mathematical term for a solid figure with six rectangular faces; all angles are right angles. In everyday contexts, 直方体 is the standard word, while 立方体 is used specifically for a cube.

• 直ちょく方ほう体たいの体たい積せきは、縦たて×横かけるよ×高こかけるたかさで求もとめられます。

  The volume of a rectangular prism is found by multiplying length, width, and height.

• この箱はこは直ちょく方ほう体たいの形かたちをしています。

  This box is in the shape of a rectangular solid.