road oil[′rōd ‚ȯil]
A heavy residual petroleum oil, usually one of the slow-curing grades of liquid asphalt.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
A heavy petroleum oil, usually one of the grades of slow-curing asphalt.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.