Noun macadam has 2 senses
  1. macadam - broken stone used in macadamized roadways
    --1 is a kind of
    paving material
    Derived form: verb macadamize1
  2. tarmacadam, tarmac, macadam - a paved surface having compressed layers of broken rocks held together with tar
    --2 is a kind of paved surface
    Derived form: verb macadamize1
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