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spheroid

American  
[sfeer-oid] / ˈsfɪər ɔɪd /

noun

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

adjective

  1. spheroidal.

spheroid British  
/ ˈsfɪərɔɪd /

noun

  1. maths another name for ellipsoid of revolution

"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

adjective

  1. 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
spheroid Scientific  
/ sfîr′oid′ /

  1. A three-dimensional geometric surface generated by rotating an ellipse on or about one of its axes.

Etymology

Origin of spheroid

1655–65; < Latin sphaeroīdēs < Greek sphairoeidḗs. See sphere, -oid

Vocabulary lists containing spheroid

Space Science (Astronomy) - High School

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The Universe and Its Stars (Cosmology) - High School

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In his Spheroid II, Ferber tried to eliminate the platform.

From Time Magazine Archive

Much use for years Had gradually worn it an oblate Spheroid that kicked and struggled in its gait, Appearing to return me hate for hate.

From American Poetry, 1922 A Miscellany by Various

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.