The energy in foot pounds required to compress polytropically and to transfer one pound of a given gas from one pressure level to another.

To continue sailing under the same canvas despite the worsening of the wind.

Release of merchandise by a bank to a buyer while the bank retains title to the merchandise. The goods are usually obtained for manufacturing or sales purposes. The buyer is obligated to maintain the goods (or the proceeds from their sales) distinct from ...

The distance a boat can move around its anchor. Swinging room is important because if other boats or objects are within a boat's swinging circle they may collide.

A windlass or capstan drum.

To turn the boat away from the wind. also Fall Off.

Cloths hung on the lee side of a berth to keep one from rolling out of their bunk

Letters, numbers, and other symbols placed on cargo packages to facilitate identification. Also known as marks.

Cargo discharged in excess of the quantity on the manifest.

A method of lowering the sail in sections so that it can be reefed quickly.

Freight charges paid by the consignor (shipper) prior to the release of the bills of lading by the carrier.

A flat tray, generally made of wood but occasionally of steel, on which goods particularly those in boxes, cartons or bags, can be stacked. Its purpose is to facilitate the movement of such goods, mainly by the use of forklift trucks.

Federal Communications Commission Rules governing radio equipment and operation in the United States.

Hoist or haul in the anchor.

Measure of alkalinity or acidity in water and water containing fluids. Can be used to determine the corrosion inhibiting characteristic in water based fluids. Typically, pH > 8.0 is required to inhibit corrosion of iron and ferrous alloys in water based f ...

The part of the upper deck which is abaft the mainmast, or in that general location of a ship without one. The quarterdeck was normally reserved for officers.

Sort of large pulley with sheave and steel block found on a derrick

Energy terms

A Customs document permitting the holder to temporarily carry or send merchandise into certain foreign countries (for display, demonstration or similar purposes) without paying duties or posting bonds. Any of various Customs documents required for crossin ...

The medium or material that does the actual filtering or separating. May be paper, wire mesh, special cellulose, inorganic plastic, or a combination.