The removal of sulphur and sulphur compounds from gases or petroleum liquids.

Port that a vessel is bound for.

The days saved by loading or discharging quicker than stated in the charter party. The charterer may seek compensation if a provision exists to this effect.

The maximum temperature which each piping component is designed to operate at.

The pressure which each piping system element is designed for.

The maximum effective recharging interval for life support, compressed air and electrical systems which the underwater vehicle or hyperbaric chamber is designed for and approved to perform the intended function under normal operating conditions.

The maximum pressure which the hyperbaric chamber is designed for and approved to operate.

The depth in meters (feet) of water equivalent to the maximum pressure which the underwater unit is designed for and approved to operate, measured to the lowest part of the unit.

A substance which can absorb moisture, e.g. anhydrous calcium chloride. It is often used as a drying agent.

The removal of any chemical salts from seawater to produce distilled water. The equipment used may be described as a distiller, an evaporator or a freshwater generator.

Deserted goods or any other commodity, especially a vessel abandoned at sea.

The operation of a diesel engine at normal maximum cylinder pressure for its continuous sea service rating, but at a lower mean effective pressure and shaft speed.

The distance that fusion penetrates the base metal or previous bead from the surface melted during welding.

- Depth moulded – Moulded depth of a ship is measured at the middle of length L, from the top of keel to the uppermost continuous deck at side. - Extreme depth – The depth of the ship from the upper deck to the underside of the keel.

An attack at the edge of a local deposit formed on metal surface in the presence of an electrolyte.

Process of removing nitrogen oxides (NOx) from the exhaust of lean-burn engines, especially by using selective catalytic reduction (SCR).

A spray-on mineral-fibre insulation material. Using Dendamix Marine as noise or thermal insulation is said to give substantial savings to shipyards...

Fish which live at the bottom of the sea, for instance a sole, a hake and a halibut and those which live near the bottom like a cod, a haddock.

Peeling from undercoat or substrate.

A substance or a machine used to reduce humidity in holds or cargo tanks. Calcium chloride and silica gel are water-absorbing chemicals (desiccants) commonly in use.