Definition of bitumen noun from the Oxford Advanced Learner's Dictionary

     

    bitumen

     noun
    noun
    BrE BrE//ˈbɪtʃəmən//
     
    ; NAmE NAmE//bəˈtuːmən//
     
    , NAmE//ˈtjuːmən//
     
    [uncountable]
     
    jump to other results
  1. 1a black sticky substance obtained from oil, used for covering roads or roofs
  2. 2(Australian English, informal) the surface of a road that is covered with tar a kilometre and a half of bitumen
  3. Word Origin late Middle English (denoting naturally occurring asphalt used as mortar): from Latin.
See the Oxford Advanced American Dictionary entry: bitumen