is an ejector used to compress waste or exhaust steam or any other gas through a moderate range of compression above atmospheric pressure.

A compressed air coupling commonly used on European rail and road vehicles to connect one vehicle to the next.

The process of coating one metal with another, ordinarily applied to the coating of iron or steel with zinc. The chief purpose of galvanizing is to prevent corrosion.

Foaming water that rises upward immediately before stem of any craft being propelled through water.

The surface of the water.

Is pressure as determined by most instruments and gauges.

An unauthoritative story (a tall story).

The temperature which would be measured at the stagnation point if a gas stream were stopped, with adiabatic compression from the flow condition to the stagnation pressure.

ACRONYM - National Pipe Thread tapered. A description of a specific pipe thread

Caulker's name for the seam in the upper deck planking next to a ship's waterways. There was very little space to get at this seam, making it a difficult and awkward job. This is the origin of the expression "Between the devil and the deep blue sea, since ...

The vertical pole or spar that supports the boom and sails. a mast on a mechanically propelled vessel holds electronics antennas, lights, etc.

Cargo to/from regional ports are transferred to/from a central hub port for a long-haul ocean voyage.

A portion of the discharge gas is redirected through a heat exchanger and then expanded back to suction pressure, where it is mixed with normal suction gas stream and commonly used to compensate for process flow demands.

Relay to all others in order (a signal repeated from one ship to the next astern in column).

A bun-shaped cover placed over a radar scanner to prevent risk of fouling and to protect it from the weather.

The ratio of the vapor pressure to the saturated vapor pressure at the temperature considered.

Circular blocks in the shrouds or stays to adjust tension.

Heat exchangers for raising the temperature of compressed air to increase its volume.

Covers for closing up hatchways.

Surrounded by land.