円筒(えんとう)

えんとう
noun
cylinder; cylindrical tube
1. cylinder; cylindrical tube
A three-dimensional shape with circular cross-sections and straight parallel sides. Used for objects, containers, and geometric descriptions.
円筒(えんとう)形(がた)の容器(ようき)に入(い)れた。
I put it in a cylindrical container.
この建物(たてもの)は円筒(えんとう)形(がた)のデザインが特徴的(とくちょうてき)だ。
This building features a distinctive cylindrical design.
紙(かみ)を丸(まる)めて円筒(えんとう)の形(かたち)にし、望遠鏡(ぼうえんきょう)のように覗(のぞ)いた。
I rolled the paper into a cylinder and looked through it like a telescope.

USAGE:
Often used with 形(がた)/形(けい) to form 円筒形(えんとうがた)/円筒形(えんとうけい) (cylindrical shape). Appears in technical, architectural, and everyday descriptions of shapes.

COMMON COLLOCATIONS:

  • 円筒(えんとう)形(がた) (cylindrical shape)
  • 円筒(えんとう)状(じょう) (cylindrical)
  • 円筒(えんとう)の表面積(ひょうめんせき) (surface area of a cylinder)

RELATED WORDS:

  • 円錐(えんすい): cone
  • 球(きゅう): sphere
  • 直方体(ちょくほうたい): rectangular prism
  • 筒(つつ): tube, pipe
general
Added 2026.3.6 22:50
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