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McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
wrinkling, crinkling, riveling
1. The distortion in a paint film appearing as ripples; may be produced intentionally as a decorative effect or may be a defect caused by drying conditions or an excessively thick film.
2. The crinkling of the surface skin of a sealant; affects its appearance, but usually not its sealing capability.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.