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(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

An air flow caused by a fan that draws air through the heat exchanger core in a uniform pattern to dissipate the sensible heat.

Category:Sea Words

A notional continuous sound level which is calculated from the various A-we~ghteds ound levels and duration at these levels with an XdB exchange rate. The exchange rate is the number of dB decrease in noise level which would allow doubling of exposure tim ...

Category:Technical Terms

The use of devices to limit or prevent the release of pollution into the atmosphere.

Category:Energy Terms

Structural pieces running fore and aft between the beams.

Category:Sea Words

A refined petroleum product suitable for use as a fuel in internal combustion engines.

Category:Energy Terms

The period of low energy demand, as opposed to maximum, or peak, demand.

Category:Energy Terms

The distance that an observer can see vertically into a surface-based obscuring phenomenon such as fog, rain, or snow. The distance estimate must be based upon ceiling balloon ascensions or ceiling light projector measurements.

Category:Meteorology

WPA

Abbreviation for "With Particular Average."

Category:Sea Words

A line used to tighten the leech of a sail, helping to create proper sail shape.

Category:Sea Words

Not a linear function of the relevant variables.

Category:Meteorology

Any coefficient used to calculate heat transmission by conduction, convection, or radiation through materials or structures.

Category:Energy Terms

An assembly, consisting of a vessel, electrodes, and an electrolyte, in which electrolysis can be carried out.

Sailing with the tiller over to leeward by force of the wind

Category:Sea Words

A transaction on a stock exchange by a broker or institution.

Category:Financial Terms

Tanker Vegetable and Animal Oils.

Category:Abbreviations

A type of heating system where heat, resulting when electric current flows through an "element" or conductor, such as Nichrome, which has a high resistance, is radiated to a room.

Category:Energy Terms

A fracture, usually of' polycrystalline metal, in which most of the grains have failed by cleavage, resulting in bright reflecting facets. It is associated with low-energy brittle fracture.

Particles of foreign material in a metallic matrix. The particles are usually compounds (such as oxides, sulfides, or silicates), but may be of any substance that is foreign to (and essentially insoluble in) the matrix.

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

Category:Financial Terms