ma‧cad‧am /məˈkædəm/
noun [uncountable][
Date: 1800-1900;
Origin: John Loudon Macadam (1756-1836), Scottish engineer who invented it]
a road surface made of a mixture of broken stones and
tar or
asphalt Synonym : tarmac British English [TahlilGaran] Dictionary of Contemporary English ▲