Accelerated corrosion of a metal because of an electrical contact with a more noble metal or nonmetallic conductor in a corrosive electrolyte.

A recording weight barometer.

Pockets in a sail where battens can be placed to stiffen the sail.

A chemical compound with one or more carboxyl radicals (COOH) in its structure; examples are butyric acid, CH3(CH2)2COOH; maleic acid, HOOCCH-CHCOOH; and benzoic acid, C6H5COOH.

International Tanker Owners Pollution Federation

Wind with a speed between 4 and 6 knots (4 and 7 mph), Beaufort scale number 2.

Merchant Navy Training Board

Net Present Value

The line where the water comes to on the hull of a boat. Design waterline is where the waterline was designed to be, load waterline is the waterline when the boat is loaded, and the painted waterline is where the waterline was painted. Actual waterline is ...

A gas that does not react with other substances; e.g. argon or krypton; sealed between two sheets of glazing to decrease the U-value (increase the R-Value) of windows.

A small vessel fitted for towing.

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

A type of weld cracking that usually occurs below 203

A hole in the hull for mooring lines, cable, or chain to run through.

The cost of trading in an asset or security which will vary according to the broker you use and.

A halo consisting of a faint white circle passing through the Sun and running parallel to the horizon for as much as 360

A cleat designed to hold a line in place without slipping. It consists of two narrowing jaws with teeth in which the line is placed.

A device that releases pressure within a radiator when the pressure inside exceeds the operating limits of the vent.

An instrument for determining the direction from which radio waves approach a receiver. It may consist of a manually operated direction indicator, or it may use a servo system to position the antenna automatically in the direction of the incident waves.

An agreement in which one person is answerable for compensating the losses of another..