v. [f. L. bitūmināt- ppl. stem of bitūmināre, to treat with BITUMEN.] Hence Bituminated ppl. a.
† 1. trans. To cement with bitumen (as mortar).
1628. Feltham, Resolves, I. xlvi. (R.). The bituminated walls of Babylon.
1656. Blount, Glossogr., Bituminated, soldered or done with bitumen.
2. To convert into or impregnate with bitumen.
1799. Kirwan, Geol. Ess., vi. 294. Trees carbonated, or bituminated sometimes repose on Coal. Ibid., 297. A bituminated clay. Ibid., 319. This carbonaceous part would never be bituminated and converted into coal if real bitumen were not present.