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English definition of “bitumen”

bitumen

noun [U]     /ˈbɪtʃ.ʊ.mən/ US  /bɪˈtuː-/
a black, sticky substance such as tar or asphalt, used for making roads and roofsBuilding materialsRoad surfaces and features
(Definition of bitumen noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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