CYLINDER Cyl"in*der (sl"n-dr), n. Etym: [F. cylindre, OF. cilindre, L. cylindrus, fr. Gr. Calender the machine.]

1. (Geom.) (a) A solid body which may be generated by the rotation of a parallelogram round one its sides; or a body of rollerlike form, of which the longitudinal section is oblong, and the cross section is circular. (b) The space inclosed by any cylindrical surface. The space may be limited or unlimited in length.

2. Any hollow body of cylindrical form, as: (a) The chamber of a steam engine in which the piston is moved by the force of steam. (b) The barrel of an air or other pump. (c) (Print.) The revolving platen or bed which produces the impression or carries the type in a cylinder press. (d) The bore of a gun; the turning chambered breech of a revolver.

3. The revolving square prism carryng the cards in a Jacquard loom.
Cylinder axis. (Anat.) SeeAxis cylinder, under Axis.
— Cylinder engine (Paper Making), a machine in which a cylinder
takes up the pulp and delivers it in a continuous sheet to the
dryers.
— Cylinder escapement. See Escapement.
— Cylinder glass. See Glass.
— Cylinder mill. See Roller mill.
— Cylinder press. See Press.

CYLINDRACEOUS
Cyl`in*dra"ceous (-dr"shs), a. Etym: [Cf. F. cylyndrac]

Defn: Cylindrical, or approaching a cylindrical form.

CYLINDRIC; CYLINDRICAL
Cy*lin"dric (s-ln"drk), Cy*lin"dric*al (-dr-kal), a. Etym:
[Gr.cylindrique.]

Defn: Having the form of a cylinder, or of a section of its convex surface; partaking of the properties of the cylinder. Cylindrical lens, a lens having one, or more than one, cylindrical surface. — Cylindric, 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.

CYLINDRICALLY
Cy*lin"dric*al*ly (s-ln"dr-kal-l), adv.

Defn: In the manner or shape of a cylinder; so as to be cylindrical.