Twenty four longitudinal zones, each of 15o and each representing one hour of time.


Related Terms

CENTRE OF BUOYANCY

The center of the area of the underwater transverse or longitudinal section of a hull at a particular trim, hence the point at which the force of buoyancy is regarded to be acting vertically upwards.

POLYLINER

A perforated sleeve with longitudinal ribs that is used inside the cylinder of an injection-molding machine.

PITCH ATTITUDE

The attitude of an aircraft, rocket, or other flying vehicle, referred to the relationship between the longitudinal body axis and a chosen reference line or plane as seen from the side.

PARACENTRIC

Pertaining to a key and keyway with longitudinal ribs and grooves that project beyond the center, as used in pin-tumbler to another in an electric network over multiple paths, in accordance with Kirchhoff's laws. 2. In particular, the flow of electric current through electric power systems over paths other than the contractual path.

ORTHOTROPIC DECK

A bridge deck constructed typically of flat steel plate and longitudinal and transverse ribs; functions in carrying traffic and acting as top flanges of floor beams.

MEASURED DRILLING DEPTH

The apparent depth of a borehole as measured along its longitudinal axis.

LONGITUDINAL FLOW REACTOR

Theoretical reactor system in which there is no longitudinal mixing (back mixing) of reactants and products as they flow through the reactor, but in which there is complete radial (side-to-side) mixing.

LINEAR STRAIN

The ratio of the change in the length of a body to its initial length. Also known as longitudinal strain.

LEAD SCREW

A threaded shaft used to convert rotation to longitudinal motion; in a lathe it moves the tool carriage when cutting threads; in a disk recorder it guides the cutter at a desired rate across the surface of an ungrooved disk.

LANCASHIRE BOILER

A cylindrical steam boiler consisting of two longitudinal furnace tubes which have internal grates at the front.

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