toroid

Từ điển Oxford Learners Wordfinder Dictionary

noun

1. the doughnut-shaped object enclosed by a torus
• Derivationally related forms:
toroidal
• Hypernyms:
solid
• Hyponyms:
ring, halo, annulus, doughnut, anchor ring
2. a ring-shaped surface generated by rotating a circle around an axis that does not intersect the circle
• Syn:
torus
• Derivationally related forms:
toroidal
• Hypernyms:
round shape
• Hyponyms:
core, magnetic core