toroid

[ tawr-oid, tohr- ]

/ ˈtɔr ɔɪd, ˈtoʊr- /

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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.

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Origin of toroid

First recorded in 1895–1900; tor(us) + -oid

Words nearby toroid

tornaria, Torne, Torngat Mountains, tornillo, toro, toroid, toroidal, Toronto, Toronto Blessing, Torontonian, torose

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

British Dictionary definitions for toroid

toroid

/ (ˈtɔːrɔɪd) /

noun

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 surfaceSee also torus

Derived forms of toroid

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

Scientific definitions for toroid

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.