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toroid

The definition of a toroid is a doughnut-shaped object that is formed by a curved surface, shape or body that rotates around a center point without intersecting it.

(noun)

An example of a toroid is a doughnut-shaped O-ring.

See toroid in Webster's New World College Dictionary

noun

Elec. a doughnut-shaped coil
Geom. a surface, or its enclosed solid, generated by any closed plane curve rotating about a straight line in its own plane

Origin: tor(e) + -oid

Related Forms:

toroidal adjective

See toroid in American Heritage Dictionary 4

noun

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

Origin:

Origin: tor(us)

Origin: + -oid

Related Forms: