"You canker blossom!" 3 Shakespearean Insults


[tawr-oid, tohr-] /ˈtɔr ɔɪd, ˈtoʊr-/
noun, Geometry
a surface generated by the revolution of any closed plane curve or contour about an axis lying in its plane.
the solid enclosed by such a surface.
Origin of toroid
1895-1900; tor(us) + -oid Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for toroid
  • Air spinning in a toroid has low pressure at its center of rotation, which makes the toroid of air rise.
  • The toroid must be placed so as not to touch either diamond culet.
  • In the middle a toroid is seen edge on, revealing the hexagonal packing on the lower side and disordered packing on the top.
  • Compact toroid formation, compression, and acceleration.
  • The toroid and wires are potted in polyurethane to make a water-tight seal on the wires.
British Dictionary definitions for toroid


(geometry) a surface generated by rotating a closed plane curve about a coplanar line that does not intersect the curve
the solid enclosed by such a surface See also torus
Derived Forms
toroidal, adjective
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
Cite This Source
toroid in Science
A surface generated by rotating a closed curve about an axis that is in the same plane as the curve but does not intersect it.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for toroid

Some English speakers likely know this word

Word Value for toroid

Scrabble Words With Friends

Nearby words for toroid