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bulk strain[′balk ‚strān]
The ratio of the change in the volume of a body that occurs when the body is placed under pressure, to the original volume of the body.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
bulk strain, volume strain
The ratio of the change in volume of a body to its original volume, as a result of stress applied to the body.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.