Originally a seaman who, not wanting to work, preferred to exist by hanging around ports and harbors and living on the charity of others. Now more generally describing any loafer around the waterfront who prefers not to work.

Beneath the deck

An energy saving device in a heat pump that, during the cooling cycle, recycles some of the waste heat from the house to heat domestic water.

The temperature to which air must be cooled, at constant pressure and water vapor content, in order for saturation or condensation to occur; the temperature at which the saturation pressure is the same as the existing vapor pressure; also called saturatio ...

Small stuff seized across a hook to prevent it from unshipping (once hooked, mousing keeps the hook on).

The total radiation incident on a specific surface area over a time interval.

is the design (built-in) compression ratio for a rotary unit having this feature

Deterioration of material caused by ion impact.

A technique for making winds aloft observations in which two theodolites located at either end of a baseline follow the ascent of a pilot balloon. Synchronous measurements of the elevation and azimuth angles of the balloon. taken at periodic intervals, pe ...

The extreme deck fore and aft measurement of a vessel.

meter-An instrument for measuring the transmissivity of the atmosphere; a type of transmissometer. It consists of a constant- intensity collimated light source located at a suitable distance from a photoelectric cell. Variation in the turbidity of the atm ...

Panama (Flag)

The process by which water in plants is transferred as water vapor to the atmosphere. Also, the amount of water so transferred.

Cubic feet per minute. An airflow measurement of volume.

A rudder, keel, centerboard, or skeg.

Across the width of a boat. Also Athwartships.

A nickname referring to British seamen. All British ships were to carry a supply of lime juice for issue to the crew as a preventative against scurvy.

See calorie.

Electromagnetic radiation lying in the wavelength interval between 0.8 micron and I millimeter. At the lower limit of this interval, the infrared radiation spectrum is bounded by visible radiation, while on its upper limit it is bounded by microwave radia ...

That portion of the record of a microbarograph between any two (or a specified small number) of successive crossings of the average pressure level (in the same direction). Analogous to microseism.