ma ‧ cad ‧ am /məˈkædəm/ BrE AmE 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 SYN tarmac British English
ma ‧ cad ‧ am /məˈkædəm/ BrE AmE 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 SYN tarmac British English
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012