spheroid

[ sfeer-oid ]
/ ˈsfɪər ɔɪd /
Geometry

noun

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

adjective


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

Examples from the Web for spheroid


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

[ sfîroid′, sfĕr- ]

adj.

Having a generally spherical shape.
Related formsspheroid′ 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

[ sfîroid′ ]

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.