ETYM Latin, a round, swelling, or bulging place, an elevation. Related to Tore.
1. A ring-shaped surface generated by rotating a circle around an axis that does not intersect the circle; SYN. toroid.
2. Commonly the lowest molding at the base of a column; SYN. tore.
3. Rounded swelling; lowest moulding of a column.
4. Rounded swelling; Architecture, such lowest molding of column; 5. Botany, receptacle; Geometry, ring shape as of quoit or doughnut formed by rotation of a circle about an axis in its own plane.
Semicylindrical ring with a D-shaped cross-section used to contain plasma in nuclear fusion reactors such as the Joint European Torus (JET) reactor. + prikaži više