Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A geometric surface, all of whose plane sections are either ellipses or circles.
from The Century Dictionary.
- noun In anthropology, a cranium the norma verticalis of which has an ellipsoidal form.
- noun In geometry, a solid figure all plane sections of which are ellipses or circles.
from the GNU version of the Collaborative International Dictionary of English.
- adjective Pertaining to, or shaped like, an ellipsoid.
- noun (Geom.) A solid, all plane sections of which are ellipses or circles. See
conoid , n., 2 (a). - noun a spheroid; a solid figure generated by the revolution of an ellipse about one of its axes. It is called a
prolate spheroid , orprolatum , when the ellipse is revolved about the major axis, and anoblate spheroid , oroblatum , when it is revolved about the minor axis.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mathematics a
surface , all of whosecross sections areelliptic orcircular (includes thesphere ) - noun geography Such a surface used as a
model of the shape of theearth . - adjective
Shaped like anellipse ;elliptical . - adjective mathematics Of or pertaining to an ellipse.
- adjective botany Having the
tridimensional shape of an ellipserotated on its longaxis .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a surface whose plane sections are all ellipses or circles
- adjective having the nature or shape of an ellipsoid
Etymologies
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