A dark viscid oil, dry-distilled from resinous woods, coal, peat, and shale; used in roofing and as a road surface binder. (Saylor, 1952)
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A dark viscid oil, dry-distilled from resinous woods, coal, peat, and shale; used in roofing and as a road surface binder. (Saylor, 1952)
« Back to Glossary Index