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.
An example of a toroid is a doughnut-shaped O-ring.
- 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 of toroidtor(e) + -oid
- 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 of toroidtor(us) + –oid.