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1. Oxford Dictionary

   torus

   • IPA[ˈtɔːrəs]

   英式

   • n.
     a surface or solid formed by rotating a closed curve, especially a circle, about a line which lies in the same plane but does not intersect it (e.g. like a ring doughnut).；a ring-shaped object, especially a large ring-shaped chamber used in physical research.

   • noun: torus, plural noun: tori

2. • 釋義
   • 相關詞

   n.

   名詞

   • 1. a surface or solid formed by rotating a closed curve, especially a circle, about a line which lies in the same plane but does not intersect it (e.g. like a ring doughnut).
   • ▪ a ring-shaped object, especially a large ring-shaped chamber used in physical research.
   • 2. a large convex moulding, typically semicircular in cross section, especially as the lowest part of the base of a column.
   • 3. a ridge of bone or muscle the maxillary torus
   • 4. the receptacle of a flower.

   tori

   • plural form of torus

   Oxford American Dictionary

   tori

   • plural form of torus

   Oxford Dictionary

3. • 更多解釋

   torus

   • IPA[ˈtôrəs]

   美式

   • n.
     a surface or solid formed by rotating a closed curve, especially a circle, around a line that ...

   Oxford American Dictionary