That portion of Geometry dealing with Solids, as opposed to Plane Geometry. Solid geometry is concerned with Polyhedra, Spheres, 3-D Solids, lines in 3-space, Planes, and so on.
See also Geometry, Plane Geometry, Spherical Geometry
References
Solid Geometry
Altshiller-Court, N. Modern Pure Solid Geometry. New York: Chelsea, 1979.
Bell, R. J. T. An Elementary Treatise on Coordinate Geometry of Three Dimensions. London: Macmillan, 1926.
Cohn, P. M. Solid Geometry. New York: Routledge, 1968.
Frost, P. Solid Geometry, 3rd ed. London: Macmillan, 1886.
Lines, L. Solid Geometry. New York: Dover, 1965.
Salmon, G. Treatise on the Analytic Geometry of Three Dimensions, 6th ed. London: Longmans Green, 1914.
Shute, W. G.; Shirk, W. W.; and Porter, G. F. Solid Geometry. New York: American Book Co., 1960.
Wentworth, G. A. and Smith, D. E. Solid Geometry. Boston, MA: Ginn and Company, 1913.