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spheroid

[ sfeer-oid ]
/ ˈsfɪər ɔɪd /
Geometry
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noun

a solid geometrical figure similar in shape to a sphere, as an ellipsoid.

adjective

spheroidal.

RELATED WORDS

spherical, rounded, cylindrical, elliptical, oval, curved, bulbous, planet, world, map, bowed, looped, arched, spiral, circular, arced, bent, ringed, coiled, oblique

Nearby words

  1. spherics,
  2. sphero-,
  3. spherocyte,
  4. spherocytic anemia,
  5. spherocytosis,
  6. spheroidal,
  7. spheroidicity,
  8. spherometer,
  9. spherophakia,
  10. spheroplast

Origin of spheroid

1655–65; < Latin sphaeroīdēs < Greek sphairoeidḗs. See sphere, -oid
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for spheroid

spheroid

/ (ˈsfɪərɔɪd) /

noun

maths another name for ellipsoid of revolution

adjective

shaped like but not exactly a sphere
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for spheroid

spheroid

n.

1660s, from Latin sphaeroides, from Greek sphairoeides, from sphaira (see sphere) + -oeides "form" (see -oid).

Online Etymology Dictionary, © 2010 Douglas Harper
Medicine definitions for spheroid

spheroid

[ sfîr′oid′, sfĕr′- ]

adj.

Having a generally spherical shape.
Related formsspher′oid′ n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for spheroid

spheroid

[ sfîr′oid′ ]

A three-dimensional geometric surface generated by rotating an ellipse on or about one of its axes.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.