The volume of a substance passing a point per unit time (e.g., meters per second, gallons per hour, etc.).

Deck supported by pillars, fastened to pontoons. The pontoons are half submerged during operations. Kept in position by anchors (or by dynamic positioning). Normally equipped with its own propulsion machinery.

A document of title (such as a draft, promissory note, check, or bill of lading) transferable from one person to another in good faith for a consideration. Non-negotiable bills of lading are known as "straight consignment." Negotiable bills are known as " ...

The wheel of the block over which the fall of the block is rove.

A vessel's position determined by observation and navigational data.

An adsorption type material used in compressed air dryers. Industry standards are activated alumina, silica gel and molecular sieves.(2) A material used to desiccate (dry) or dehumidify air.

Said of a man who goes to sea as a rating compared with officers, and lives forward. Forward of a mast.

Is that pressure of either motive fluid or discharge at which an ejector returns to stable operation following a period of unstable operation due to having previously reached the breaking pressure. There are two recovery pressures, one for motive fluid an ...

A port that is not directly listed in the tide tables but for which information is available as a difference from a nearby standard port.

The ratio of clearance volume to the volume swept by the compressing element.

The black line parallel with ship's keel marked on the inner surface of the bowl of a compass, indicating the compass direction of the ship's head.

Person who assists in saving life or property from a vessel wrecked near the coast. Often applied to a small boat that lies in narrow waters ready to wait on a vessel, if required.

On or near the line of immersion of a ship's hull.

A method of payment for goods in which cash is paid at the time of order and the transaction becomes binding on both buyer and seller.

Wind blowing from off the shore.

Speed Over Ground, speed relative to bottom.

Area of high barometric pressure where the wind circulates clockwise in the Northern Hemisphere, and counter-clockwise in the Southern Hemisphere. These are fair weather systems with light or moderate winds.

The warehouse or public stores to which samples of imported goods are taken to be inspected, analyzed, weighed, etc. by examiners or appraisers.

Government officials responsible for regulating goods, services and supplies into a country.

The outer layer on a coalescing filter that prevents separated liquids from re-entering the air stream. Also known as anti re-entrainment barrier.