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toroid

[tawr-oid, tohr-] /ˈtɔr ɔɪd, ˈtoʊr-/
noun, Geometry
1.
a surface generated by the revolution of any closed plane curve or contour about an axis lying in its plane.
2.
the solid enclosed by such a surface.
Origin
1895-1900
1895-1900; tor(us) + -oid
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples 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

toroid

/ˈtɔːrɔɪd/
noun
1.
(geometry) a surface generated by rotating a closed plane curve about a coplanar line that does not intersect the curve
2.
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
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toroid in Science
toroid
  (tôr'oid')   
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.
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