長ちょう円えん形けい

noun, noun which may take the genitive case particle 'no'

elliptical shape; oval shape

Refers to a shape that is longer than it is wide, like an ellipse or an oval. Often used in geometry or to describe objects with a rounded, elongated form. Compare with 楕円形, which is more strictly mathematical.

See also: 楕円形

• このテーブルは長ちょう円えん形