Dictionary Definition

toroid

1 the doughnut-shaped object enclosed by a torus

2 a ring-shaped surface generated by rotating a circle around an axis that does not intersect the circle [syn: torus]

User Contributed Dictionary

A surface generated by a closed curve (especially a circle) rotating about, but not intersecting or containing, an axis in its own plane
A ring-shaped object whose surface is a torus

1994: The photon belt, a huge torroid [sic] shaped object composed of photon light particles, was first discovered by your scientists in 1961 near the vicinity of the Pleiades by satellite instrumentation. — You are Becoming a Galactic Human, by Virginia Essene and Sheldon Nidel, ISBN 0937147087, pp. 27–28

Toroid may refer to:

Toroid (geometry), a doughnut-like solid whose surface is a torus.
Toroidal inductors and transformers which have wire windings on circular ring shaped magnetic cores.
Vortex ring, a toroid-shaped flow in fluid mechanics.

toroid in Bulgarian: Тороид

toroid in Catalan: Toroide

toroid in Czech: Toroid

toroid in German: Ringkern

toroid in Spanish: Toroide

toroid in Polish: Toroid

toroid in Slovak: Toroid (geometria)

toroid in Finnish: Toroidi

toroid in Swedish: Toroid