\Bi*tu"mi*nous\, a. [L. bituminosus: cf. F.
bitumineux.]
Having the qualities of bitumen; compounded with bitumen;
containing bitumen.
      Near that bituminous lake where Sodom flamed. --Milton.
{Bituminous coal}, a kind of coal which yields, when heated,
   a considerable amount of volatile bituminous matter. It
   burns with a yellow smoky flame.
{Bituminous limestone}, a mineral of a brown or black color,
   emitting an unpleasant smell when rubbed. That of Dalmatia
   is so charged with bitumen that it may be cut like soap.
{Bituminous shale}, an argillaceous shale impregnated with
   bitumen, often accompanying coal.