bitumen

• Mélange naturel ou issu du pétrole d'hydrocarbures lourds, noir et visqueux, utilisé notamment dans le revêtement des routes et l'étanchéité des toitures.

Any of various naturally occurring impure mixtures of hydrocarbons, often used in road surfacing and roofing.

indénombrable

1. Naturally occurring hydrocarbon mixtureC1formaltechnical

   Any of various naturally occurring impure mixtures of hydrocarbons, typically black or dark brown, used in road surfacing and roofing.

   Bitume naturel

   • The road was paved with a layer of bitumen.
   • Bitumen is a key component in asphalt for construction.
   • Ancient civilizations used natural bitumen for waterproofing.

   Synonymesasphaltmineral pitchpitch