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toroid

noun
to·​roid | \ ˈtȯr-ˌȯid How to pronounce toroid (audio) \

Definition of toroid

1 : a surface generated by a closed plane curve rotated about a line that lies in the same plane as the curve but does not intersect it
2 : a body whose surface has the form of a toroid

Examples of toroid in a Sentence

Recent Examples on the Web

 So, although the vacuum vessel is still basically a toroid, the magnets that loop around the tube are not planar. — Chris Lee, Ars Technica, "Wibbly-wobbly magnetic fusion stuff: The return of the stellarator," 9 June 2017

First Known Use of toroid

1886, in the meaning defined at sense 1

History and Etymology for toroid

New Latin torus

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