Uninterrupted Power Supply

In a semiconductor, the energy difference between the highest valence band and the lowest conduction band.

U.S. Customs' master computer system, "Automated Commercial Systems."

Condition Assessment Program. Structural assessment program devised by the classification societies ABS, LR, DNV.

Low Pressure

(1) A cargo carrying vessel, usually without an engine, towed or pushed by a tug. Small barges for carrying cargo between ship and shore are known as lighters. (2) Also a term in sail racing - a boat which forces its way illegally between another contesta ...

Information Management Services.

To stop a boat and maintain position (with some leeway) by balancing rudder and sail to prevent forward movement, a boat stopped this way is "hove to"; such as when in heavy seas. The idea is to bring the wind onto the weather bow and hold the ship in tha ...

Association of Mechanical Engineers.

Cylinder.

British Rig Owners Association

A member of the deck crew who is able to perform all the duties of an experienced seamen; certificated by examination; must have three years sea service. Also called Able Seamen and A.B.

Oil Pollution.

A method for making sheets of polycrystalline silicon (for solar photovlotaic devices) in which molten silicon is drawn upward by capillary action through a mold.

To hold the mainsail or jib off to the side to cause the wind to blow onto the backside of the sail, used to slow a boat

The tariff applied for chartering tonnage in a particular trade.

Annual Survey

A water-temperature thermometer provided with an insulated container around the bulb. It is lowered into the sea on a line until it has had time to reach the temperature of the surface water, then withdrawn and read. The insulated water surrounding the bu ...

Asphalt Tanker.

A colorless, odorless but poisonous combustible gas with the formula CO. Carbon monoxide is produced in the incomplete combustion of carbon and carbon compounds such as fossil fuels (i.e. coal, petroleum) and their products (e.g. liquefied petroleum gas, ...