mottle(redirected from grid mottle)
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An effect that occurs during radiological imaging when the dose of radiation is reduced to a level where quantum effects can be observed.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
1. The pattern or arrangement of spots and cloudings forming a mottled surface, esp. in marble, or in wood veneer as a result of unusual variation in fiber growth or fiber arrangement. Also see fiddleback, quilted figure, blister figure. 2.See mottling.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.