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cy·lin·dri·cal(sə-lĭn′drĭ-kəl) also cy·lin·dric (-drĭk)
1. Of, relating to, or having the shape of a cylinder, especially of a circular cylinder.
2. Mathematics Of or relating to the coordinate system, or to any of three coordinates in it, formed by two polar coordinates in a plane and a rectangular coordinate measured perpendicularly from the plane.
cy·lin′dri·cal′i·ty (-kăl′ĭ-tē) n.