Last Updated：2025/11/23

(uncountable) The condition of being elliptical (flattened from perfect circular or spherical form)

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ellipticity

Source Word

ellipticity

Noun

uncountable countable

(uncountable) The condition of being elliptical (flattened from perfect circular or spherical form)

Japanese Meaning

完全な円や球状から平たんして楕円形になる性質 / 楕円形である状態

The ellipticity of the rapidly rotating star indicated that it was significantly flattened at the poles.

その高速で回転する星の楕円度は、極が大きく扁平化していることを示していた。

Sense（1）

(uncountable) The condition of being elliptical (flattened from perfect circular or spherical form)

Sense（2）

(countable, mathematics) A measure of this flattening that is a function of the ellipse's equatorial and polar radii

ellipticities

（ plural ）