柱ちゅう体たい

noun

cylinder; prism

A solid figure with two parallel congruent bases and a uniform cross-section; includes both circular cylinders and polygonal prisms.

• 柱ちゅう体たいの体たい積せきは底てい面めん積せき×高かけるたかさで求もとめられる。

  The volume of a cylinder/prism is found by multiplying the base area by the height.

• この柱ちゅう体たいの底てい面めんは正せい六ろっ角かく形けいです。

  The base of this prism is a regular hexagon.