bituminate

from The Collaborative International Dictionary of English v.0.48
Bituminate \Bi*tu"mi*nate\ (b[i^]*t[=u]"m[i^]*n[=a]t), v. t.
   [imp. & p. p. {Bituminated}; p. pr. & vb. n. {Bituminating}.]
   [L. bituminatus, p. p. of bituminare to bituminate. See
   {Bitumen}.]
   To treat or impregnate with bitumen; to cement with bitumen.
   "Bituminated walls of Babylon." --Feltham.
   [1913 Webster]
    

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