Share this entry

Share this page

ellipse

Syllabification: el·lipse
Pronunciation: /əˈlips
 
/

Definition of ellipse in English:

noun

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.

Origin

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

Words that rhyme with ellipse

Chips, eclipse, thrips

Definition of ellipse in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day terpsichorean
Pronunciation: ˌtərpsikəˈrēən
adjective
of or relating to dancing