ratio of reduction
ratio of reduction[′rā·shō əv ri′dək·shən]
The ratio of the maximum size of the stone which will enter a crusher, to the size of its product.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
In stone crushing, the ratio of the maximum dimension of stone before crushing to the maximum dimension after crushing.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.