noun
A black or dark brown solid substance consisting of a mixture of hydrocarbons obtained by distillation of petroleum or shale, used in paving, roofing, and waterproofing.
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The workers were busy laying down fresh asphalt on the road.
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Watch out for the hot asphalt on the street, it can stick to your shoes.
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I can't stand the smell of that new asphalt, it's so strong.
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The project hit an asphalt wall when funding was cut off unexpectedly.