Permanent pip iron ballast specially shaped and placed along each side of keelson. Name is sometimes given to any iron ballast.

A common type of liquid-inglass thermometer, used, in meteorology, in psychrometers and as a maximum thermometer.

Said of a lighthouse not tended.

Cargo which has been booked but does not arrive in time to be loaded before the vessel sails. See also "Windy Booking."

In a wind energy conversion system, to pitch the turbine blades so as to reduce their lift capacity as a method of shutting down the turbine during high wind speeds.

The change in the measured transducer output caused by changes in ambient temperature. Usually expressed a percentage of full scale.

A fabric bag through which a gas stream is passed for the removal of particulate matter.

Upwarddirected solar radiation, reflected by the earth's surface and the atmosphere.

A registered trademark name for houses built with tires, aluminum cans, and earth.

A sailor's trunk; the intake between the ship's side and a sea valve.

The sum of all the costs both recurring and nonrecurring, related to a product, structure, system, or service during its life span or specified time period.

To untie.

An idealized process in which a working fluid (water, air, ammonia, etc) successively changes its state (from a liquid to a gas and back to a liquid) for the purpose of producing useful work or energy, or transferring energy.

Those frames of a ship's hull which are equal in area, one forward and one aft of the ship's center of gravity.

See radar theodolite, radio direction-finder.

A rope used for securing any movable object in place

The increase in pressure in the discharge header that develops as a result of flow after the pressure relief device opens

A weight attached to a line used to determine depth by lowering it into the water.

A unit used to rate the performance of a solar photovoltaic (PV) cells, modules, or arrays; the maximum nominal output of a PV device, in Watts (Wp) under standardized test conditions, usually 1000 Watts per square meter of sunlight with other conditions, ...

A space heating device that burns pellets; are more efficient, clean burning, and easier to operate relative to conventional cord wood burning appliances.