This is a factor expressing deviation of a gas from perfect gas laws.

Before the introduction of man-made fibers, much of the rope used at sea was made from manila. Made from the fibers of banana plants in the Philippines, manila did not rot when it was exposed to seawater.

See feed.

Loading Instrument

A device that measures the intensity of direct beam solar radiation.

A type of heat pump that uses sealed horizontal or vertical pipes, buried in the ground, as heat exchangers through which a fluid is circulated to transfer heat.

A heat absorbing reaction or a reaction that requires heat.

Digital Nautical Chart

International Maritime Lecturers Association

If Used, Half Time Actually to Count

See chemical vapor deposition, physical vapor deposition and sputtering.

After mast on a schooner or sailing ship carrying a spanker; usually the fourth mast of a five or six masted schooner.

Notice To Mariners

The power that is consumed to overcome the frictional losses when operating in an unloaded condition.

Removing the thick layer of oxides formed on some metals at elevated temperatures.

Navigable channel.

in United States weather observing practice, the highest "instantaneous" wind speed recorded at a station during a specified period, usually the 24-hour observation day. Therefore, a peak gust need not be a true gust of wind.

(1) The amount of any substance dissolved or deposited in electrolysis is proportional to the total electric charge passed. (2) The amounts of different substances dissolved or deposited by the passage of the same electric charge are proportional to their ...

A sighting taken for celestial navigation at noon, when the sun is at its highest point in the sky.

As defined in the Energy Security Act (P.L. 96-294; 1980) as "any organic matter, including sewage, sewage sludge, and industrial or commercial waste, and mixtures of such matter and inorganic refuse from any publicly or privately operated municipal waste ...