An unlighted buoy of which the upper part of the body (above the waterline), or the larger part of the superstructure has the shape of a cylinder or nearly so. Also called CYLINDRICAL BUOY.

Related Terms

BORE POLISHING

Excessive smoothing of the surface finish of the cylinder bore or cylinder liner in an engine to a mirror-like appearance, resulting in depreciation of ring sealing and oil consumption performance.

SHELL TYPE CONDENSER

Cylinder or receiver which contains condensing water coils or tubes.

CYLINDER HEAD

Plate or cap which encloses compression end of compressor cylinder or combustion chamber of engine.

FUEL KNOCK

A hammer like noise produced when fuel is not burned properly in an engine cylinder.

LIQUID RECEIVER

Cylinder (container) connected to condenser outlet for storage of liquid refrigerant in a system.

FLETTNER ROTOR

A spinning cylinder that uses the Magnus effect to harness wind power to propel a ship.

ANEROID BAROMETER

An instrument which determines atmospheric pressure by the effect of such pressure on a thin-metal cylinder from which the air has been partly exhausted

BARREL BUOY

A buoy having the shape of a barrel or cylinder floating horizontally, usually for special purposes, including mooring.

OBLIQUE MERCATOR MAP PROJECTION

A conformal cylindrical map projection in which points on the surface of a sphere or spheroid, such as the earth, are developed by Mercator principles on a cylinder tangent along an oblique great circle. Also called OBLIQUE CYLINDRICAL ORTHOMORPHIC MAP PROJECTION.

CHEESE ANTENNA

An antenna consisting of a mirror in the shape of part of a parabolic cylinder bounded by two parallel plates normal to the cylinder axis, and of an antenna feed placed on or near the focal point

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