A unit of heat originally defined as the amount of heat required to raise the temperature of water through one degree centigrade (the gram-calorie or small calorie), but this proved to be insufficiently precise. The 15

The forwarding agreement or carrying agreement between shipper and air carrier and is issued only in nonnegotiable form.

Single-celled organisms, free-living or parasitic, that break down the wastes and bodies of dead organisms, making their components available for reuse by other organisms.

An energy storage device composed of one or more electrolyte cells.

Marine Environmental Protection.

A notched support for the boom when the sail is not raised. Unlike a gallows frame, a crutch is stowed when boat is sailing.

Commodity Box Rate.

A single inlet compressor with the impeller or impellers mounted on an extended shaft of the driver.

A fractographic term describing ductile fracture that occurs through the formation and coalescence of microvoids along the fracture path. The fracture surface of such a ductile fracture appears dimpled when observed at high magnification and usually is mo ...

A term for stowing cargo in a container.

A hole through casing, bulkhead, floor or deck to enable one to reach work or gear.

The ceiling classification which is applied when the ceiling height is determined by timing the ascent and disappearance of a ceiling balloon or pilot balloon.

A heat exchanger element enclosed in a boiler. Water is circulated with a pump through the jacket where it picks up heat from the combustion chamber after which the heated water circulates to heat distribution devices. A water jacket is also an enclosed w ...

A generator producing alternating current by the rotation of its rotor, and which is powered by a primary mover.

American National Standards Institute.

The portion of the strearnflow during any month or year derived from precipitation in previous months or years.

Seaman's call to attract attention.

A solar day; an interval between successive transits of the sun's center across an observer's meridian; the time thus measured is not equal to clock time.

A self regulated London exchange serving world wide interests. It is the world's premier maritime.

Corrosion in which zinc is selectively leached from zinc-containing alloys. Most commonly found in copper-zinc alloys containing less than 83% copper after extended service in water containing dissolved oxygen; the parting of zinc from an alloy (in some b ...