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柱体 (ちゅうたい) Japanese meaning | Kotomora

柱ちゅう体たい

ちゅ

う

た

い

Meanings

1

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積めんせきか×高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.

Kanji

柱pillar, post, cylinder
体body, substance, object

Similar words

円えん柱ちゅう
円柱 specifically means a circular cylinder, while 柱体 is a broader term that also includes prisms with polygonal bases.
角かく柱ちゅう
角柱 means a prism with a polygonal base, a subtype of 柱体.

Etymology

Compound of 柱 (pillar, column) and 体 (body, solid), referring to a pillar-shaped solid. The exact historical derivation is uncertain; the term is used in geometry.