1) Certain conic section 2) Certain shape 3) Circle relative 4) Circle, to geometricians 5) Closed curve 6) Conic 7) Conic section 8) Curved shape 9) Egg shape 10) Elongated circle 11) Elongated O 12) Figure with two foci 13) Flattened circle 14) Flattened-out circle 15) French word used in English
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1) Circle 2) Oval
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https://www.crosswordclues.com/clue/ellipse
In mathematics, an ellipse is a curve on a plane surrounding two focal points such that a straight line drawn from one of the focal points to any point on the curve and then back to the other focal point has the same length for every point on the curve. As such, it is a generalization of a circle, which is a special type of an ellipse that has bot...
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http://en.wikipedia.org/wiki/Ellipse
• (n.) Omission. See Ellipsis. • (n.) The elliptical orbit of a planet. • (n.) 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 ...
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http://thinkexist.com/dictionary/meaning/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 ... [5 related articles]
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http://www.britannica.com/eb/a-z/e/23
The closed path followed by one object that is gravitationally bound to another – for example, by one of the stars in a binary star system or a spacecraft in Earth orbit. An ellipse is a conic section and is mathematically defined (1) by passing a plane through a right circular cylinder at a...
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Oval. That the orbits of the planets are ellipses, not circles, was first discovered by Johannes Kepler based on the careful observations by Tycho Brahe.
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http://www.encyclo.co.uk/local/20040
1. <geometry> 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. ... 2. Omission...
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A closed plane curve generated in such a way that the sums of its distances from the two fixed points (the foci) is constant.
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El·lipse' (ĕl*lĭps')
noun [ Greek
'e`lleipsis , prop., a defect, the inclination of the ellipse to the base of the cone being in defect when compared with that of the side to the base: confer French
ellipse . See
Ellipsis .]
1. (Geom.) An oval or ob...
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http://www.encyclo.co.uk/webster/E/22
An ellipse is a figure in geometry ranking next in importance to the circle, and produced when any cone is cut by a plane which passes through it not parallel to nor cutting the base. Johann Kepler discovered that the paths described by the planets in their revolutions round the sun are ellipses, the sun being placed in one of the foci. To describe...
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An ellipse is an oval shape. Johannes Kepler discovered that the orbits of the planets were elliptical in shape rather than circular.
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http://www.seasky.org/astronomy/astronomy-glossary.html
The conic section resulting from cutting a cone obliquely through its curved surface.
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A closed curve that is formed from two foci or points in which the sum of the distances from any point on the curve to the two foci is a constant. Johannes Kepler first discovered that the orbits of the planets are ellipses, not circles; he based his discovery on the careful observations of Tycho Brahe .
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[
n] - a closed plane curve resulting from the intersection of a circular cone and a plane cutting completely through it
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http://www.webdictionary.co.uk/definition.php?query=ellipse
ellipse 1. A shape like a stretched circle with slightly longer, flatter sides. 2. 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...
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The suppression of ancillary words to render an expression more lively or more forceful.
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Shaped like a flattened circle
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A plane through a right angle cone.The equation of an ellipse is given bywhereThis may be approximated as
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https://www.encyclo.co.uk/local/20687
oval noun a closed plane curve resulting from the intersection of a circular cone and a plane cutting completely through it; `the sums of the distances from the foci to any point on an ellipse is constant`
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Curve joining all points (loci) around two fixed points (foci) such that the sum of the distances from those points is always constant. The diameter passing through the foci is the major axis, and the diameter bisecting this at right angles is the minor axis. An ellipse is one of a series of curves k...
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https://www.encyclo.co.uk/local/21221
a plane curve such that the sums of the distances of each point in its periphery from two fixed points, the foci, are equal. It is a conic section formed by the intersection of a right circular cone by a plane that cuts the axis and the surface of the cone. Typical equation: (x/a) + (y/b) = 1. If a = b the ellipse is a circle. See diag. under
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https://www.infoplease.com/dictionary/ellipse
a plane curve resulting from the intersection of a cone by a plane, that looks like a slightly flattened circle (a circle is a special case of an ellipse)
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https://www.storyofmathematics.com/glossary.html
An ellipse looks like a slightly flattened circle and is also known as a plane curve. Planetary orbits take the form of ellipses.
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https://www.thoughtco.com/glossary-of-mathematics-definitions-4070804
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