A park in Washington, District of Columbia, United States

simple past tense and past participle of ellipse

(grammar) To remove from a phrase a word which is grammatically needed, but which is clearly understood without having to be stated.

(geometry) A closed curve, the locus of a point such that the sum of the distances from that point to two other fixed points (called the foci of the ellipse) is constant; equivalently, the conic section that is the intersection of a cone with a plane that does not intersect the base of the cone.

plural of ellipse

plural of ellipsis

present participle of ellipse

The property of containing omission.

plural of vertical ellipsis

(object-oriented programming) The problematic situation where a base class contains methods which mutate an object in a manner which may invalidate a (stronger) invariant found in a derived class, violating the Liskov substitution principle. For example, if a circle is modelled as a subtype of an ellipse, and the ellipse has a method that stretches it on one axis, the circle must also implement that method despite it making no sense for a circle.