spheroid

• sphæroid (archaic)

From sphere +‎ -oid.

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spheroid (comparative more spheroid, superlative most spheroid)

1. Of a shape similar to a squashed sphere.

spheroid (plural spheroids)

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.

• oblate spheroid
• prolate spheroid

• neurospheroid
• spheroidite
• spheroidize

• spheroid on Wikipedia.Wikipedia
• Spheroid in the Encyclopædia Britannica (11th edition, 1911)

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