torus

  1. Noun.  (topology) A topological space which is a product of two circles.
  2. Noun.  (mathematics) The standard representation of such a space in 3-dimensional Euclidean space: a shape consisting of a ring with a circular cross-section: the shape of an inner tube or hollow doughnut.
  3. Noun.  (topology, in combination|'''''n''-torus'''|'''4-torus'''|etc.) The product of the specified number of circles.
  4. Noun.  (architecture) A molding which projects at the base of a column and above the plinth.
  5. Noun.  (botany) The end of the peduncle or flower stalk to which the floral parts (or in the Asteraceae, the florets of a flower head) are attached; see receptacle.

This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.

This entry was last updated on RefTopia from its source on 3/20/2012.