An auxiliary volume that may be opened to the clearance space for increasing the clearance, usually temporarily, to reduce the volumetric efficiency of the compressor.

Air under pressure greater than that of the atmosphere.

To communicate with a vessel in sight.

An extension of the keel for protection of propeller and rudder.

A sail attached to the forestay as opposed to a jib which is attached to the headstay.

Speed through the water, not "over ground".

term mainly used by companies selling small compressors because it makes their compressors look bigger than they really are. The swept volume is the actual displacement of the piston, forgetting such losses as bumping clearances, valve clearances, ring lo ...

A pipe of large diameter, through which the chains pass into the chain lockers.

Abbreviation for the Railway Service "Container On Flat Car."

Convention on International Regulations for Preventing Collisions at Sea.

(COMPS) See 'pension.

To reduce the volume of, by or as if by pressure.

Said of an anchor when the cable is taut and vertical.

The cabin roof, raised above the deck to provide headroom in the cabin. Also trunk.

A test applied to one of a batch of machines of identical design from one manufacturer.

Stowage of general or special cargoes in a container for transport in the various modes.

A sheet or halyard coiled so that it will run out quickly without becoming tangled.

A precursor to the sextant. An old navigational device for checking the altitude of the sun or stars.

Is the ratio of the actual volume of the gas to the volume determined according to the perfect gas law.