長ちょう円えん

noun

ellipse; oval

Geometric term for an ellipse or oval shape. Often interchangeable with 楕円 (だえん), but 長円 is less technical and may be used in everyday contexts.

See also: 楕円

• この池いけは長ちょう円えんの形かたちをしている。

  This pond is oval in shape.