Bitumen

Bitumen, an inflammable mineral substance, presumably of vegetable origin, called Naphtha when liquid and light-coloured, Petroleum when less fluid and darker, Maltha when viscid, and Asphalt when solid.

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)

Bitlis * Bitzius
Bishop, Sir Henry Rowley
Bishop of Hippo
Bishop-Auckland
Bismarck Archipelago
Bismarck-Schönhausen, Eduard Leopold, Prince von
Bissa`gos
Bissen
Bithur
Bithynia
Bitlis
Bitumen
Bitzius
Bizerta
Bizet, Georges
Björnsen
Black, Joseph
Black, William
Black Art
Black Assize
Black Death
Black Forest