air-permeability test

air-permeability test

[¦er ‚pər·mē·ə′bil·ə·dē ‚test]
(engineering)
A test for the measurement of the fineness of powdered materials, such as portland cement.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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