A crack or hole that accidentally admits a gas or lets it escape.

A mat of fibers that provide a barrier to particles entrained in the flow of air or gas.

The piston chamber in a compressor or actuator.

A device for applying a fine spray by compressed air.

Namely. Used in tariffs to specify commodities.

Kilowatt hour - A unit of work, being the work done in one hour at the rate of 1,000 watts.

Hollow vessel of iron, steel or wood, that is filled with water and sunk under a vessel. When water is pumped out, the buoyancy of the camel lifts the ship. Very valuable aid to salvage operations.

the attraction to, and retention of particles in, a filter medium by electrostatic forces, or by molecular attraction between the particles and the medium.

A reef in a spanker or fore-and-aft mainsail, which runs from the outer head-earing, diagonally, to the tack. It is the closest reef, and makes the sail triangular, or nearly so.

An electrical current that periodically reverses its direction. Standard in US and Canada is 60 cycles per second. Europe and other countries is 50 cycles per second.

An electronic communications or direction finding system which uses Very High Frequency radio waves. VHF radios are the most common communications radio carried on boats, but their range is usually limited to line of sight between the transmitting and rec ...

(1) To lean over to one side, due to wind pressure on the sails or crew on the side; The amount that a boat is tipped over side-to-side, relative to its normal horizontal position. (2) The after end of a ship's keel. (3) The lower end of a mast.

U.S. classification society which certifies seagoing vessels for compliance to standardized rules regarding construction and maintenance.

An arbitrary filter efficiency rating.

A large circular ocean current.

Said of a line that leads from its point of attachment towards the stern of the ship.

A line secured along the deck to lay hold of in heavy weather; a line thrown on board a wreck by life-saving crew; a knotted line secured to the span between life-boat davits for the use of the crew when hoisting and lowering

Navy term meaning Officer of the deck.

A movable block and tackle used on board for a variety of purposes, including the handling of cargo in holds.

Inlet butterfly valve. These are fitted on the inlet of most types of compressor and the valve opens and closes to throttle the air flow. However, the term IBV is usually associated with turbo compressors.