spheroid
nounEtymology From sphere + -oid.
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.
- Derived terms
- amylospheroid, hemispheroid, heterospheroid, homospheroid, hyperspheroid, interspheroid, microspheroid, nanospheroid, neurospheroid, osteospheroid, spheroidene, spheroidic, spheroidical, spheroidism, spheroidite, spheroidity, spheroidize, subspheroid
- Hyponyms
- oblate spheroid, prolate spheroid