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ellipse

el·lipse [ i líps ] (plural el·lip·ses)


noun 
Definition:
 
1. shape resembling oval: a two-dimensional shape like a stretched circle with slightly longer flatter sides

2. intersection of cone and oblique plane: the shape formed by the intersection of a right circular cone and an oblique plane that does not intersect the base of the cone

3. U.S. grammar printing 
Same as  ellipsis


[Mid-18th century. Via French< Latin ellipsis< Greek elleipsis "defect, omission" < elleipein "leave out, fall short"]
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