a solid geometrical figure similar in shape to a sphere, as an ellipsoid.
Origin of spheroid
< Latin sphaeroīdēs
< Greek sphairoeidḗs.
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Related Words for spheroidspherical
Examples from the Web for spheroid
Historical Examples of spheroid
Indignantly he had taken his calculations, his blue prints of the spheroid, along with him.
Its shape is not absolutely spherical, but spheroid—that is, flattened at the poles.
The spheroid went to the side, sailing low, and out of bounds.
There was a futile attempt to block the kick, but the spheroid sailed over the bar.
The earth is a spheroid, and hence it pulls and is pulled by the moon with a slightly uncentric attraction.
British Dictionary definitions for spheroid
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
1660s, from Latin sphaeroides, from Greek sphairoeides, from sphaira (see sphere) + -oeides "form" (see -oid).
Online Etymology Dictionary, © 2010 Douglas Harper
Related formsspher′oid′ n.
Having a generally spherical shape.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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.