Assertion: parabola's line | /r/HasProperty | closed curve
Facets:
Source sentences:
text: As a verb ellipse is (grammar) to remove from a phrase a word which is grammatically needed, but which is clearly understood without having to be stated. is thatis (geometry) the conic section formed by the intersection of a cone with a plane parallel to a tangent plane to the cone; the locus of points equidistant from a fixed point (the focus) and line (the directrix) whileis (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.is thatis (geometry) the conic section formed by the intersection of a cone with a plane parallel to a tangent plane to the cone; the locus of points equidistant from a fixed point (the focus) and line (the directrix) whileis (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.(grammar) to remove from a phrase a word which is grammatically needed, but which is clearly understood without having to be stated.