CIDE DICTIONARY
bituminous, a. [L. bituminosus: cf. F. bitumineux.].
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.
ROGET THESAURUS
bituminous
Resin
N
resin, rosin, gum, lac, sealing wax, amber, ambergris, bitumen, pitch, tar, asphalt, asphaltum, camphor, varnish, copal, mastic, magilp, lacquer, japan, artificial resin, polymer, ion-exchange resin, cation-exchange resin, anion exchange resin, water softener, Amberlite, Dowex, Diaion, resiny, resinous,
bituminous, pitchy, tarry, asphaltic, asphaltite.