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ellipse Syllabification: el·lipse
Pronunciation: /əˈlips/

Definition of ellipse in English:


Image of ellipse
A regular oval shape, traced by a point moving in a plane so that the sum of its distances from two other points (the foci) is constant, or resulting when a cone is cut by an oblique plane that does not intersect the base.
Example sentences
  • For example he shows how to deform a circle into an ellipse and proves other results on deforming conic sections.
  • There are three non-degenerate conics: the ellipse, the parabola, and the hyperbola.
  • The first law states that the orbit of a satellite is an ellipse, and that one of the foci of the ellipse must be located at the centre of the Earth.


Late 17th century: via French from Latin ellipsis (see ellipsis).

Words that rhyme with ellipse

Chips, eclipse, thrips
Definition of ellipse in:
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