toroid

Noun
  1. The doughnut-shaped object enclosed by a torus (synset 113922980)
    is a type of: solid - a three-dimensional shape
    subtypes: anchor ring, annulus, doughnut, halo, ring - a toroidal shape
  2. A ring-shaped surface generated by rotating a circle around an axis that does not intersect the circle (synset 113922781)
    is a type of: round shape - a shape that is curved and without sharp angles
    subtypes: core, magnetic core - (computer science) a tiny ferrite toroid formerly used in a random access memory to store one bit of data; now superseded by semiconductor memories
    same as: torus

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