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An instrument for measuring angles of inclination. Used in conjunction with a ceiling light to measure cloud height at night.

Category:Meteorology

The course of a vessel after magnetic variation has been considered, but without compensation for magnetic deviation.

Category:Sea Words

(APAC)Advises on matters involving international capital markets and the views and concerns of the.

Category:Financial Terms

As tight as can be pulled by hand.

Category:Sea Words

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

A unit of rate of water evaporation equal to the evaporation per hour of 34.5 pounds of water at a temperature of 212 degrees Fahrenheit into steam at 212 degrees F.

Category:Energy Terms

A provision of a bond or preferred stock issue, listed in its indenture (the formal agreement.

Category:Financial Terms

In a wind energy conversion system, to pitch the turbine blades so as to reduce their lift capacity as a method of shutting down the turbine during high wind speeds.

Category:Energy Terms

Electrodepositing a metal or alloy in an adherent form on an object serving as a cathode.

A definite portion of a stream channel, commonly taken between two gauging stations, but may be taken between any two specified points.

Category:Meteorology

An industry abbreviation for "Hazardous Material."

Category:Sea Words

The mass of unit volume of a material at a specified temperature.

Jaw

The distance between a rope's adjacent strands, giving a measure of the tightness of the lay. The shorter the distance, the harder the lay. When a line has been overused and the lay has become slack, it is said to be slack-jawed.

Category:Sea Words

The distance between the water level at chart datum and an overhead obstacle such as a bridge or power line.

Category:Sea Words

One or more anodes installed vertically at a nominal depth of 15 m (50 ft) or more below the earth's surface in a drilled hole for the purpose of supplying cathodic protection for an underground or submerged metallic structure. See also groundbed.

Is the suction pressure attained by an ejector or positive displacement vacuum pump at zero capacity with the suction absolutely blanked off.

Category:Sea Words

Houses that have earth berms around exterior walls.

Category:Energy Terms

A type of insulation material with fine, closed cells, containing a mixture of air and refrigerant gas. This insulation has a high R-value, good moisture resistance, and high structural strength compared to other rigid insulation materials.

Category:Energy Terms

A mercury barometer designed for use aboard ship. The instrument is of the fixed-cistern type (see Kew barometer). The mercury tube is constructed with a wide bore for its upper portion and with a capillary bore for its lower portion. This is done to incr ...

Category:Meteorology

(1) A wind shift further forward relative to the boats direction or heading. (2) A bar or angle under a deck the same size as deck beams. It is used around stair openings in deck, small hatch openings, or at dead end of longitudinals.

Category:Sea Words