cylinders


NOUN:

  1. Mathematics
    1. The surface generated by a straight line intersecting and moving along a closed plane curve, the directrix, while remaining parallel to a fixed straight line that is not on or parallel to the plane of the directrix.
    2. The portion of such a surface bounded by two parallel planes and the regions of the planes bounded by the surface.
    3. A solid bounded by two parallel planes and such a surface, especially such a surface having a circle as its directrix.
  2. A cylindrical container or object.