01 n. A solid, all plane sections of which are ellipses or circles. See Conoid, n., 2 (a).
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1.
A solid, all plane sections of which are ellipses or circles. See Conoid, n., 2 (a).(Geom.) See: Conoid
Phrases & compounds
Ellipsoid of revolution —
a spheroid; a solid figure generated by the revolution of an ellipse about one of its axes. It is called a prolate spheroid, or prolatum, when the ellipse is revolved about the major axis, and an oblate spheroid, or oblatum, when it is revolved about the minor axis.