toroid

/tawr-oid, tohr-/US // ˈtɔr ɔɪd, ˈtoʊr- //UK // (ˈtɔːrɔɪd) //

环状体,环形物,环状物,环状线

Definitions

n.名词 noun

1
Geometry.
- : a surface generated by the revolution of any closed plane curve or contour about an axis lying in its plane.
- : the solid enclosed by such a surface.