solid torus

noun

(topology) The topological space that is a Cartesian product of the two-dimensional disk and the circle.

The solid torus is a three-dimensional shape.

意味（1）

(topology) The topological space that is a Cartesian product of the two-dimensional disk and the circle.

意味（2）

(mathematics) The standard representation of that topological space within Euclidean 3-dimensional space.