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square grade

 
Sci-Tech Dictionary: square grade
(′skwer ′grād)

(mathematics) A unit of solid angle equal to (π/200)2 steradian, or approximately 2.46740 × 10-4 steradian.


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Measures and Units: square grade
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solid angle Symbol (g)2. The equivalent to the square of the planar grade, = ( π/200)2 steradian = π/160000 sphere. (See also square degree.)

 
 

 

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Sci-Tech Dictionary. McGraw-Hill Dictionary of Scientific and Technical Terms. Copyright © 2003, 1994, 1989, 1984, 1978, 1976, 1974 by McGraw-Hill Companies, Inc. All rights reserved.  Read more
Measures and Units. A Dictionary of Weights, Measures, and Units. Copyright © Donald Fenna 2002, 2004. All rights reserved.  Read more