FACTOID # 142: Americans consume the sixth-most spirits, the eighth-most beer and the 18th-most wine. They’re also likely to view heavy drinkers as undesirable neighbors.
 
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Encyclopedia > Ellipses

Ellipses is the plural form of either of 2 words in the English language:

This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. If an article link referred you here, you might want to go back and fix it to point directly to the intended page.

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Ellipse (1425 words)
Ellipse is commonly defined as the locus of points P such that the sum of the distances from P to two fixed points F1, F2 (called foci) are constant.
The pedal of a ellipse with respect to a focus is a circle, conversely, the negative pedal of a circle with respect to a point inside the circle is a ellipse.
Ellipse's inversion with respect to a focus is a dimpled limacon of Pascal.
Ellipse - MSN Encarta (485 words)
The ellipse is used in engineering in the arches of some bridges and the design of gears for certain types of machinery such as Wankel engines and punch presses.
Ellipses are also symmetrical with respect to their minor axes, lines perpendicular to the major axis at the midpoint between the two foci.
Ellipses are a type of conic section, a class of curves formed by a plane that cuts through a right circular cone.
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