different between ellipse vs ellipticity

English

Etymology

From French ellipse. Doublet of ellipsis.

Pronunciation

• IPA^(key): /??l?ps/, /i?l?ps/

Noun

ellipse (plural ellipses)

1. (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.

Synonyms

• oval (in non-technical use)

Translations

Verb

ellipse (third-person singular simple present ellipses, present participle ellipsing, simple past and past participle ellipsed)

1. (grammar) To remove from a phrase a word which is grammatically needed, but which is clearly understood without having to be stated.

   In B's response to A's question:- (A: Would you like to go out?, B: I'd love to), the words that are ellipsed are go out.

Related terms

See also

• circle
• conic section
• hyperbola
• parabola

French

Etymology

Borrowed from Latin ell?psis, itself a borrowing from Ancient Greek ???????? (élleipsis).

Pronunciation

• IPA^(key): /e.lips/

Noun

ellipse f (plural ellipses)

1. (geometry) ellipse
2. (grammar, rhetoric) ellipsis

Further reading

• “ellipse” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

Latin

Noun

ellipse

1. ablative singular of ellipsis

Norwegian Bokmål

Etymology

From Latin ellipsis, from Ancient Greek ???????? (élleipsis)

Noun

ellipse m (definite singular ellipsen, indefinite plural ellipser, definite plural ellipsene)

1. (geometry) an ellipse
2. (grammar, rhetoric, typography) an ellipsis

Derived terms

• superellipse

References

• “ellipse” in The Bokmål Dictionary.

Norwegian Nynorsk

Etymology

From Latin ellipsis, from Ancient Greek ???????? (élleipsis)

Noun

ellipse m (definite singular ellipsen, indefinite plural ellipsar, definite plural ellipsane)

1. (geometry) an ellipse
2. (grammar, rhetoric, typography) an ellipsis

Derived terms

• superellipse

References

• “ellipse” in The Nynorsk Dictionary.

English

Etymology

elliptic +? -ity

Noun

ellipticity (countable and uncountable, plural ellipticities)

1. (uncountable) The condition of being elliptical (flattened from perfect circular or spherical form)
2. (countable, mathematics) A measure of this flattening that is a function of the ellipse's equatorial and polar radii

Derived terms

• hypoellipticity
• microellipticity
• subellipticity

See also

• oblate
• prolate