sound absorption coefficient
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Related to sound absorption coefficient: Noise Reduction Coefficient
sound absorption coefficient[′sau̇nd ab‚sȯrp·shən ‚kō·i‚fish·ənt]
The ratio of sound energy absorbed to that arriving at a surface or medium. Also known as acoustic absorption coefficient; acoustic absorptivity.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
sound absorption coefficient,
a The fraction of the sound energy (incident at random angles on a surface) which is absorbed or otherwise not reflected by the surface.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.