Micrometer or one millionth of a meter; micron is sometimes represented in filtration by the Greek letter

Country, island or territory the vessel visits.

Material passed into the effluent stream composed of foreign materials incorporated into the filter medium.

The horsepower required to isothermally compress the air or gas delivered by the compressor at specified conditions.

Filtration that occurs at the surface layer (as opposed to within the body depth) of the filter, and is accomplished by passing the material to be filtered over a grating, screen, sieve or membrane fabric with micro sized holes. The size of the holes in t ...

An ocean carrier company operating vessels not on regular runs or schedules. They call at any port where cargo may be available.

To sail towards the direction from which the wind blows by making a series of tacks. A point of sail also known as sailing close hauled.

An inland location where cargo is received by the ocean carrier and then moved to a coastal port for loading.

Polytetrafluorethylene.

A pneumatic percussive drill designed as a boring tool.

The bottom of a wave, the valley between the crests.

Closing small leaks in a vessel's underwater body by drawing a sail, filled with oakum, underneath her.

The frames or timbers of a ship as they rise from the keel to form the shape of the hull.

Words incorporated when signing under duress and not concurring entirely with import of document signed, and after stating grounds of non-concurrence.

When used in pricing terms such as "Ex Factory" or "Ex Dock," it signifies that the price quoted applies only at the point of origin indicated.

Old expression for the engraving of the wind-rose on charts.

A mast supported by the use of lines or wire known as stays and shrouds.

The area of sea not under the sovereignty of nations with a seaboard.

Seaman's name for a reef knot tied upside down. also called a "granny" knot.

(1) The land in general, but usually refers to that part adjacent to the water. (2) A timber used in damage control to brace bulkheads and decks. (3) One of the many wooden props by which the ribs or frames of a vessel are externally supported while build ...