楕だ円えん

だ

え

ん

Common wordJLPTN2Freq.FrequencyTop 50,000

Meanings

1

ellipse; oval

Refers to the geometric shape; in everyday language, 楕円 often describes an oval shape, while in mathematics it specifically means an ellipse.

数すう学がくの授じゅ業ぎょうで楕だ円えんの方ほう程てい式しきを学まなんだ。

We learned the equation of an ellipse in math class.

楕だ円えんを描かくto draw an ellipse
コンパスを使つかわずに楕だ円えんを描かくのは難むずかしい。
It's hard to draw an ellipse without a compass.
〈物もの〉は楕だ円えんをしているX is shaped like an ellipse
この鏡かがみは楕だ円えんをしている。
This mirror is oval-shaped.

長ちょう円えん
長円 is a less common, more technical word for an oval shape, while 楕円 is the standard term used in both math and everyday speech.
楕だ円えん形けいN1
楕円 is the precise mathematical term for an ellipse, while 楕円形 is the everyday word used to describe an oval-shaped object.

円えんN4
円 is a perfect circle with equal axes, whereas 楕円 has two unequal axes, so learners sometimes use 円 loosely to mean any round shape.

楕だ円えんUsage94%
Standard kanji spelling; used in mathematics and everyday contexts.
だ円えんUsage5%
search-only kanji form
Search-only mixed kana-kanji form; not a standard spelling.
だえんUsage1%
橢だ円えんUsage<1%

楕 (ellipse) + 円 (circle). The kanji 楕 is a Japanese simplification of 橢, which originally meant 'ellipse' or 'oval'.

楕だ円えん曲きょく線せん

elliptic curve

elliptical orbit

Show 4 more

rarely-used kanji form

Rarely used traditional form of 楕円.