曲きょく面めん

noun

curved surface

General term for any surface that is not flat, used in mathematics, engineering, and everyday description.

• このテーブルは曲きょく面めんのデザインが美うつくしい。

  The curved surface design of this table is beautiful.

• 数すう学がくの授じゅ業ぎょうで曲きょく面めんの方ほう程てい式しきを学まなんだ。

  We learned equations for curved surfaces in math class.