The middle watch.

One who is adept at splicing, knotting, and working with line and canvas.

Pertaining to measurements or devices in which the output vanes in discrete steps, i.e. on-off or pulse signals. Compare to analog.

1.Port Multiplier.2.Project Manager.

(turbine oils) -- a test for determining the ability of an oil to aid in preventing the rusting of ferrous parts in the presence of water.

Periodic publications containing details of any alterations to charts, to keep them up to date.

A type of passive solar heating system where heat is collected in one area for use in another.

A command to stop or cease immediately what one is doing.

A term previously given to the shares of smaller companies least traded on the London Stock.

See intergranular cracking.

An instrument used to measure the water vapor content of the air.

For a wind turbine, the ratio of the speed of the tip of a turbine blade for which the power coefficient is at maximum.

A situation in which waves strike a boat from the side, causing it to roll unpleasantly.

Descriptive treatment of fracture, especially in metals, with specific reference to photographs of the fracture surface. Macrofractography involves photographs at low magnification (< 25x); microfractography, photographs at high magnification (>25x)

Recovering and utilizing the heat content of the compressed air.

For a given locality and month, an empirical expression devised for the purpose of classifying climates numerically on the basis of precipitation and evaporation.

See Multiple Containerload Shipment.

A black ball visible in all directions, displayed in the forward part of a vessel to indicate that the vessel is anchored.

An instrument which measures the transmissivity of the atmosphere between two points for the determination of visual range.