Elliptical vs. Ellipsoid
Ellipticaladjective
In a shape of, or reminding of, an ellipse; oval.
Ellipsoidnoun
A surface, all of whose cross sections are elliptic or circular (including the sphere), that generalises the ellipse and in Cartesian coordinates (x, y, z) is a quadric with equation x2/a2 + y2/b2 + z2/c2 = 0.
Ellipticaladjective
Of, or showing ellipsis; having a word or words omitted.
‘If he is sometimes elliptical and obscure, it is because he has so much to tell us. -- Edmund Wilson’;
Ellipsoidnoun
(geography) Such a surface used as a model of the shape of the earth.
‘Here the geoid is thirty meters below the ellipsoid.’;
Ellipticaladjective
(of speech) Concise, condensed.
Ellipsoidadjective
Shaped like an ellipse; elliptical.
Ellipticaladjective
Elliptic.
Ellipsoidadjective
(mathematics) Of or pertaining to an ellipse; elliptic.
Ellipticalnoun
(astronomy) An elliptical galaxy
Ellipsoidadjective
(botany) Having the tridimensional shape of an ellipse rotated on its long axis.
Ellipticalnoun
An elliptical trainer
Ellipsoidnoun
A solid, all plane sections of which are ellipses or circles. See Conoid, n., 2 (a).
Ellipticaladjective
containing or characterized by ellipsis;
‘the clause of comparison is often elliptical’;
Ellipsoidadjective
Pertaining to, or shaped like, an ellipsoid; as, ellipsoid or ellipsoidal form.
Ellipticaladjective
rounded like an egg
Ellipsoidnoun
a surface whose plane sections are all ellipses or circles;
‘the Earth is an ellipsoid’;
Ellipticaladjective
characterized by extreme economy of expression or omission of superfluous elements;
‘the dialogue is elliptic and full of dark hints’; ‘the explanation was concise, even elliptical to the verge of obscurity’;
Ellipsoidadjective
in the form of an ellipse
Ellipsoid
An ellipsoid is a surface that may be obtained from a sphere by deforming it by means of directional scalings, or more generally, of an affine transformation. An ellipsoid is a quadric surface; that is, a surface that may be defined as the zero set of a polynomial of degree two in three variables.
