macadam
/məˈkædəm/noun
mass noun
- broken stone of even size used in successively compacted layers for surfacing roads and paths, and typically bound with tar or bitumen（铺路用）碎石路面; 碎石; 马克当洛。
派生词
macadamed
adjective词源
early 19th cent.: named after John L. McAdam （1756-1836）, the British surveyor who advocated using this material.