To let go.

An illegal form of discounting or refunding that has the net effect of lowering the tariff price. See also Malpractice.

London Institute of Shipping and Transport

A fitting around the propeller shaft to keep the bearing lubricated and to keep water out of the boat.

An important parameter in establishing an entrained particle's potential to impinge on control surfaces and cause erosion.

A strong wind characterized by a sudden onset, a duration on the order of minutes, and a rather sudden decrease in speed.

Wide, a wide boat is a beamy boat

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

A type of hydropower turbine that contains a runner that has water passages through it formed by curved vanes or blades. As the water passes through the runner and over the curved surfaces, it causes rotation of the runner. The rotational motion is transm ...

The riding lights required to be carried by vessels at anchor.

The direction at right angles to a ship's heading or the line of her keel

Machines in which the compressing element is a piston having a reciprocating motion in a cylinder.

Vessel moves to a new area for a new season.

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

The actual power rating that is developed by a motor before losses occur.

A hygrometer based upon the diffusion of water vapor through a porous membrane.

A disturbance of surface water by conflicting current or by winds.

Force wind-Wind with a speed above 64 knots (73 mph); Beaufort scale numbers 12 through 17.

A ring used to attach certain bellow type flexible members of an air actuators to the mounting surface.

A c.g.s. (centimeter-gram-second) unit of mass. Originally defined as the mass of 1 cubic centimeter of water at 4