The unofficial filtration industry description for filters designed to trap small size contaminants.

ACRONYM - Approach temperature. Usually the difference between cooling water temperature in to compressed air temperature out of an inter-cooler or after-cooler. Sometimes used to define oil cooler efficiency (cooling water temperature in to oil temperatu ...

To let go.

Sailing in the same direction as the wind with the wind coming from the stern.

Heavy, linked chain secured to an anchor for mooring or anchoring.

A tariff imposed to discourage sale of foreign goods, subsidized to sell at low prices detrimental to local manufacturers.

Illegal passenger who hides himself on board a ship in order to gain free passage or to escape from a country.

To keep close.

A navigational buoy on which is mounted a bell with clappers hung inside a metal cage, which is rung by the motion of the sea. It serves as a warning of shoal waters.

An abandoned vessel at sea (a danger to navigation) or Any abandoned vessel.

The ratio of the isothermal power consumption to shaft input.

Container freight station or a designated area where empty containers can be picked up or dropped off.

The distance from the surface of the water to the main deck or gunwale.

Similar to a Barber hauler, a twing adjusts the angle of sheeting.

Rum diluted with water. In the 1700s the daily ration of rum in the British Navy was diluted with water with the idea of reducing drunkenness. The term groggy was derived from the effects of drinking too much grog.

(1) To lay a line out in coils so that it can run without fouling. (2) Folding a sail in layers on the boom.

A metal appliance consisting of a thread and screw capable of being set up or slacked back and used for setting up on rigging.

Chocks which hold and anchor in place either in a locker or on deck.

The normal working pressure for an air motor (6 bar).

Abbreviation for "Cubic Meter" (capital letters).