form scabbing[′fȯrm ‚skab·iŋ]
In placing of concrete using formwork, removal of the surface layer of concrete that adheres to the form when it is removed.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The removal of the surface of concrete as a result of the lack of a clean break when the forms are removed; some of the concrete adheres to the form and is pulled away.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.