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Meaning of toroid

to•roid

Pronunciation: (tôr'oid, tōr'-), [key]
— n. Geom.
  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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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