asphalt.
(Of thelat.)(do doasphaltus, and this of theGr. ? sfa? t?).
1. m. black substance which is the heaviest fraction of crude oil. It is sometimes in large natural deposits, as in the Asfaltites Lake or dead sea known as bitumen of Judea. It is mixed with sand or gravel to pave roads and as waterproof lining of walls and roofs.
