• (RP) IPA: /ˈbɪt.jʊ.mɪn/, /ˈbɪt͡ʃ.ʊ.mɪn/
  • (America) IPA: /bɪˈtumən/, /bɪˈtjumən/, /baɪˈtumən/
  • (Canada) IPA: /ˈbɪt.jʊ.mɪn/


  1. Mineral pitch; a black, tarry substance, burning with a bright flame. It occurs as an abundant natural product in many places, as on the shores of the Dead and Caspian Seas. It is used in cements, in the construction of pavements, etc.
    Synonyms: Jew's pitch
  2. (by extension) Any one of the natural hydrocarbons, including the hard, solid, brittle varieties called asphalt, the semisolid maltha and mineral tars, the oily petrolea, and even the light, volatile naphthas.
  3. (Canada) Canadian deposits of extremely heavy crude oil.
  • (mineral pitch) Jew's lime, Jew's pitch, Jew's slime, slime (all obsolete)
Translations Verb

bitumen (bitumens, present participle bitumening; past and past participle bitumened)

  1. To cover or fill with bitumen.
    Synonyms: bituminize

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