ellipse
/ɪˈlɪps/ noun, verb, proper noun
Forms ellipses ellipsing ellipsed the Ellipse
- noun (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.
- verb (grammar) To remove from a phrase a word which is grammatically needed, but which is clearly understood without having to be stated.
- proper noun A park in Washington, D.C., United States.
- proper noun Synonym of President's Park South, a 52 acre city park, south of the South Lawn of the White House, between the White House estate and the Washington Monument grounds of the National Mall.
- proper noun An elliptical oval grassy field in President's Park South
Synonyms
Etymology
From French ellipse. Learned borrowing from Latin ellīpsis, itself a borrowing from Ancient Greek ἔλλειψις (élleipsis). Doublet of ellipsis.
Webster’s 1913
- noun An oval or oblong figure, bounded by a regular curve, which corresponds to an oblique projection of a circle, or an oblique section of a cone through its opposite sides. The greatest diameter of the ellipse is the major axis, and the least diameter is the minor axis. See Conic section, under Conic, and cf. Focus.
- noun Omission. See Ellipsis.
Etymology [Gr. ellipse. See Ellipsis.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “ellipse”, CC BY-SA 4.0. Details