B / bĭtūmĭnōsus
adjective

bĭtūmĭnōsus

fem. bĭtūmĭnōsa · neut. bĭtum
abounding in bitumen
abounding in bitumen, bituminous (perh. only in the two foll. exs.): terra, Vitr. 8, 3, 9: fontes, id. 8, 3, 4.