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Related to caking: Caking coal
Changing of a powder into a solid mass by heat, pressure, or water.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
In paints, the formation of a hard dense mass of pigment which is difficult to disperse by hand agitation.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.