SPHEROID

Spheroid

A spheroid, or ellipsoid of revolution is a quadric surface obtained by rotating an ellipse about one of its principal axes; in other words, an ellipsoid with two equal semi-diameters.

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spheroid

Noun

  1. A solid of revolution generated by rotating an ellipse about its major (prolate), or minor (oblate) axis.
    UFOs are reported as being either oblate (saucer-shaped) or prolate (cigar-shaped) spheroids.

Adjective

  1. Of a shape similar to a squashed sphere.


The above text is a snippet from Wiktionary: spheroid
and as such is available under the Creative Commons Attribution/Share-Alike License.

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