An adsorption type desiccant.

Generally speaking the word amidships means in the middle portion of a vessel.

The measurement around the body of a ship. The half girth is taken from the center line of the keel to the upper deck beam end.

To combine or charge with gas.

Ad valorem.

A deviation to move cargo on the return leg of a voyage for the purpose of minimizing ballast mileage and thereby reducing transportation costs.

Heavy roll to leeward with a beam wind.

A line on the compass aligned with the centerline of the vessel that indicates the vessel's compass heading. Since it points to the vessel's bow, it enables a course to be steered by bringing the lubber's line to the point on the compass card which indica ...

Fitted with cabins and catering facilities for offshore crews. Semisubmersible accommodation units are ofte called "Flotels".

A type of filter capacity test in which a clogging contaminant is added to the influent of a filter, under specified test conditions, to produce a given rise in pressure drop across the filter or until a specified reduction of flow is reached. Filter life ...

A device for drying compressed air by means of condensation obtained by over-compression or cooling, absorption, adsorption or a combination of the above methods.

The part of the boat behind the beam.

The error in a compass reading caused by the heel of a boat.

A ladder of rope with rungs, used over the side.

Boards fixed vertically to a boat to prevent leeway

Bar gauge (similar to the acronym "psig")

(1) Broken water at bow of a vessel making way. (2) Disturbed water made by a propeller or paddle wheel. (3) The rush or sweeping of waves on a bank, shore, or vessel.

A place not suitable for anchoring.

The removal of heat from a gas after compression is completed.

In square-rigged vessels, short lines at the lower end of the futtock shrouds used to bring in the shrouds tighter to give room to brace the yards at a sharper angle when sailing close hauled.