Cylindric

Pronunciation: s?-l?n"dr?k
a.
  1. Having the form of a cylinder, or of a section of its convex surface; partaking of the properties of the cylinder.
    2. Cylindrical lens ,
    a lens having one, or more than one, cylindrical surface.
    Cylindric surface or Cylindrical surface , (Geom.),
    a surface described by a straight line that moves according to any law, but so as to be constantly parallel to a given line.
    Cylindrical vault . (Arch.)
    See under Vault, n.