toroid

(tôr'oid', tōr'-)
n.

1. Mathematics.
   1. A surface generated by a closed curve rotating about, but not intersecting or containing, an axis in its own plane.
   2. A solid having such a surface.
2. A body having the shape of a toroid.

[TOR(US) + -OID.]

toroidal to·roi'dal (tô-roid'l) adj.

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1. an alternative term for torus.
2. the solid enclosed by a torus.

—toroidal adj.

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For a list of words related to toroid, see:

• Shapes - toroid: surface generated by a closed plane curve rotated about a line lying in the same plane as the curve but not crossing it

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Common misspelling(s) of toroidal

• toriodal