About 441,000 results
Open links in new tab
  1. Ellipse - Wikipedia

    In mathematics, an ellipse is a plane curve surrounding two focal points, such that for all points on the curve, the sum of both distances to the two focal points is a constant. It generalizes a …

  2. Ellipse - Equation, Formula, Properties, Graphing - Cuemath

    Here we shall aim at knowing the definition of an ellipse, the derivation of the equation of an ellipse, and the different standard forms of equations of the ellipse. What is an Ellipse? In …

  3. Ellipse | Definition, Properties & Equations | Britannica

    Dec 24, 2025 · Ellipse, a closed curve, the intersection of a right circular cone (see cone) and a plane that is not parallel to the base, the axis, or an element of the cone.

  4. Ellipse - Math is Fun

    An ellipse usually looks like a squashed circle ... F is a focus, G is a focus, and together they are called foci. (pronounced fo-sigh)

  5. Ellipse -- from Wolfram MathWorld

    Dec 22, 2025 · The ellipse is a conic section and a Lissajous curve. An ellipse can be specified in the Wolfram Language using Circle [x, y, a, b]. If the endpoints of a segment are moved along …

  6. ELLIPSE Definition & Meaning - Merriam-Webster

    A closed curve consisting of points whose distances from each of two fixed points (foci) all add up to the same value is an ellipse. The midpoint between the foci is the center.

  7. Ellipse – Definition, Parts, Equation, and Diagrams

    Aug 3, 2023 · An ellipse is a closed curved plane formed by a point moving so that the sum of its distance from the two fixed or focal points is always constant. It is formed around two focal …

  8. Ellipse - Definition, Equations, Latus Rectum, Eccentricity

    An Ellipse is a geometric figure defined as the set of all points in a plane where the total distance to two fixed points, known as the foci, remain constant. In simpler terms, an ellipse is a closed …

  9. Ellipse | Brilliant Math & Science Wiki

    An ellipse is a conic section, that resembles an oval, but is formally characterized by the following property: there exist two points ...

  10. What are ellipses? What are their vocabulary words?

    An ellipse is similar to an oval. Important parts of an ellipse are the foci, the vertices, and the axes. It has a real-life use as a reflector.