a filter medium primarily intended to hold soluble and insoluble contaminants on its surface by molecular adhesion.

Numerous shipments from different shippers to one consignee that are consolidated and treated as a single consignment.

The turning of the blade of an oar from the vertical to the horizontal while it is being taken aback for the next stroke. This reduces the windage on the blade thus reducing the effort expended.

The total pressure measured from absolute zero ( i.e., from an absolute vacuum).

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.

A steam boiler on a ship deck used to supply steam to deck machinery when the main boilers are shut down.

A hole in a tank, boiler or compartment on a ship, designed to allow the passage of a man for examination, cleaning, and repairs.

Said of a rope when it is under such tension that it is practically rigid.

Boards fixed vertically to a boat to prevent leeway

Ad valorem.

In a sailing ship carrying multiple masts, the mast set closest to the stern.

Used for lashing down sails, awnings, etc., a series of round turns where the end is passed over the standing part and under the bight and pulled taut on each turn.

A time draft (or bill of exchange) that the drawee (payer) has accepted and is unconditionally obligated to pay at maturity.- Broadly speaking, any agreement to purchase goods under specified terms.

Ratio between measured shaft power and the adiabatic compression power, referring to measured mass flow.

A term from Latin meaning, "according to value."

The value of a shipment agreed upon in order to secure a specific freight rate.

Retention of property until outstanding dept is paid

The captain of the ship.

Sailing on a run with the wind coming over the stern from the same side as the boom (danger of jibing).

A method causing a liquid or gas to condense on the surface only of an adsorbing material.