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Meaning of ELLIPSE

Pronunciation:  i'lips

 
WordNet Dictionary
 
 Definition: 
[n]  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"
 

ELLIPSE is a 7 letter word that starts with E.

 

 Synonyms: oval
 
 See Also: circle, conic, conic section

 

 

Webster's 1913 Dictionary
 
 Definition: 
\El*lipse"\, n. [Gr. ?, 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: cf. F. ellipse.
See {Ellipsis}.]
1. (Geom.) 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. (Gram.) Omission. See {Ellipsis}.

3. The elliptical orbit of a planet.

         The Sun flies forward to his brother Sun; The dark
         Earth follows wheeled in her ellipse. --Tennyson.

 
Thesaurus Terms
 
 Related Terms: arc, bow, catacaustic, catenary, caustic, circle, conchoid, crook, curl, curve, diacaustic, festoon, hook, hyperbola, lituus, oval, ovoid, ovule, parabola, sinus, tracery
 

 

 

 

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