A scale graduated at uniform intervals
Related Terms |
ABSOLUTE TEMPERATURE SCALE
A scale of temperature measurement in which zero degrees is absolute zero.
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API GRAVITY
A gravity scale established by the American Petroleum Institute and in general use in the petroleum industry, the unit being called 'the A.P.I. degree' .
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CALCIUM
A scale forming element found in boiler feed water.
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CHEMICAL CLEANING
Using a solvent solution to remove mill scale and corrosion products.
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HYPSOMETRIC TINT SCALE
A graphic scale in the margin of maps and charts which indicates heights or depths by graduated shades of color.
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SOFTENING
The act of reducing scale-forming calcium and magnesium impurities from water.
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MULTIPLE TIDE STAFF
A succession of tide staffs on a sloping shore so placed that the vertical graduations on the several staffs will form a continuous scale referred to the same datum.
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INDEX ERROR
The error in the reading of an instrument equal to the difference between the zero of the scale and the zero of the index. In a marine sextant it is due primarily to lack of parallelism of the index mirror and the horizon glass at zero reading.
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LARGE SCALE
A scale involving a relatively small reduction in size. A large-scale chart is one covering a small area. The opposite is SMALL SCALE.
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TARIFF
Terms and conditions and scale of charges.
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