The number of cycles of stress that can be sustained prior to failure under a stated test condition.

The difference between the actual electrode potential when appreciable electrolysis begins and the reversible electrode potential.

A call requesting direction in answer to the report of a lookout that an object has been sighted.

Intimate mixture of oil and water, generally of a milky or cloudy appearance. Emulsions may be of two types: oil-in water (where water is the continuous phase) and water-in-oil (where water is the discontinuous phase).

In sailboat racing, to disturb the wind of a windward boat by positioning your boat a bit ahead and to leeward. If done correctly, the disturbed air hitting the windward boat will slow it down, leaving it at a distinct disadvantage and causing it to tack ...

A device for furnishing fresh air to compartments below deck or exhausting foul air. Construction designed to lead air below decks. May have a cowl, which can be angled into or away from the wind; and may be constructed with baffles, so that water is not ...

Per Freight Ton

A thin, tightly adhering oxide skin (only a few molecules thick) that forms when steel is tempered at a low temperature, or for a short time, in air or a mildly oxidizing atmosphere. The color, which ranges from straw to blue depending on the thickness of ...

A instrument designed to study small fluctuations of some quantity. The microbarograph is an example of a recording pressure variometer.

Merchant Marines Document (USCG)

The maximum current density that can be used to obtain a desired electrode reaction without undue interference such as from polarization.

Classification and Documentation Center.

A condition where the particles (dust) becomes embedded in the fabric filter over time and are not removed by the bag cleaning process.

Having a shape that that is not adversely affected by wind flowing past it.

The atmospheric pressure at mean sea level either directly measured by stations at sea level or empirically determined from the station pressure and temperature by stations not at sea level. Used as a common reference for analyses of surface pressure patt ...

On square-rigged ships, the lines which are lead from the masthead to the ends of the yards to support them.

Annual publication of astronomical data for the use of navigators.

Same as windsock.

A facility or piece of equipment that produces electricity.

See calorie.