aggradation(redirected from aggrade)
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A process of shifting equilibrium of stream deposition, with upbuilding approximately at grade.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The addition of a material to the earth’s surface to promote the uniformity of a grade or slope.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.