bituminous coating[bī′tü·mə·nəs ′kōd·iŋ]
A coating made principally of bituminous material and used as a surfacing for roads and as a water-repellent barrier in buildings.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
An asphalt or tar compound used to provide a protective finish for a surface.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.