pounds per square inch.
Related Terms |
PSID
pounds per square inch differential.
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PSIG
pounds per square inch gauge (PSIA - 14.696).
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ATMOSPHERIC PRESSURE
Pressure exerted by the atmosphere at any specific location. (Sea level pressure is approximately 14.7 pounds per square inch absolute.)
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psia
pounds per square inch absolute.
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ICE ISLAND
A large piece of floating ice showing about 5 meters above the sea surface, which has broken away from an ice shelf, having a thickness of 30 to 50 meters and an area of from a few thousand square meters to l50 square nautical miles or more; usually characterized by a regularly undulating surface which gives it a ribbed appearance from the air.
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MOMENT OF INERTIA
The quantity obtained by multiplying the mass of each small part of a body by the square of its distance from an axis, and adding all the results.
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HEAD
The measure of the pressure expressed in feet of height of water: 1 psi = 2.31 feet of water.
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CLEW
The lower corners of square sails or the corner of a triangular sail at the end of the boom.
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SWIMMIE
A barge with a square overhanging bow, like a swimhead lighter. aka muffies.
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BUNTLINE
A rope attached to middle of square sail to haul it up to the yard
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