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macadam

Pronunciation: /məˈkadəm/

Definition of macadam

noun

[mass noun]
  • broken stone of even size, bound with tar or bitumen and used in successively compacted layers for surfacing roads and paths.

Derivatives

macadamed

adjective

Origin:

early 19th century: named after John L. McAdam (1756–1836), the British surveyor who advocated using this material

macadam in other Oxford dictionaries

Definition of macadam in the US English dictionary

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