A sail plan in which the main and/or mizzen, or the foresail of a schooner, is of triangular shape, very long in the luff and set from a tall mast. This is almost now universal in all sailing yachts.

On square-rigged ships, a small light square sail set above the skysail in fair weather. If the sail were triangular, it would be called a Skyscraper.

The quantity of contaminant a filter element can trap and hold before the maximum allowable back pressure or delta P level is reached.

Attempting to import merchandise into a country at a price less than the fair market value, usually through subsidy by exporting country.

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

A knot formed by taking the strands of the end of a line and tucking them over and under each other to prevent them from unraveling.

Surface resistance to relative motion, which slows down movement and causes heat.

An abbreviation for "Cubic." A unit of volume measurement.

Person authorized by transportation lines to publish tariffs or rates, rules, and regulations for their account.

(1) Floating, but at mercy of wind and sea. (2) Piercing the hull with a projectile. (3) Taking in sail during a calm.

The naval architect's drawings of a ship showing the various sections.

The process of connecting a moving rail car with a motionless rail car within a rail classification yard in order to make up a train. The cars move by gravity from an incline or "hump" onto the appropriate track.

Clearance by the Health Authorities.

(1) Small boat for one or two rowers. (2) Small fishing vessel with foresail, boom mainsail, and mizzen trysail.

A Latin term meaning "In proportion."

The state of a vessel when she is so loosened as to droop at each end.

Heat exchangers for removing the heat of compression between stages of a compressor.

Two or more bearings are noted on the chart in order to determine the ship's position at the intersection of the two

In lore, the flag flown by a pirate ship - a white skull on a black background with crossed bones below the skull - although there is no evidence that such a flag was ever flown.

A slang name for a bullying officer on a ship.