Origin of macadam
Examples from the Web for macadam
Cool, dry weather; relatively but not totally flat terrain; soft running surfaces, like dirt, gravel or macadam.
But she was courageous, and soon the two were gayly chattering, as Bob stumbled and stamped along the macadam road.Natalie: A Garden Scout|Lillian Elizabeth Roy
MacAdam determined to carry out his plan, with or without protection.Ireland as It Is|Robert John Buckley (AKA R.J.B.)
In examining the furnaces with Mr Macadam in April 1886, we found a portion of a thin bar, which appeared to be of iron.Gairloch In North-West Ross-Shire|John H. Dixon, F.S.A. Scot
Letters in future had better be directed to the care of Dr. Macadam, the secretary, as they will have to go by sea.Successful Exploration Through the Interior of Australia|William John Wills
The road was a good hard level stretch of macadam and the wheels fairly spun along it.The Motor Boys|Clarence Young
Word Origin for macadam
1824, named for inventor, Scottish civil engineer John L. McAdam (1756-1836), who developed a method of levelling roads and paving them with gravel and outlined the process in his pamphlet "Remarks on the Present System of Road-Making" (1822). Originally, road material consisting of a solid mass of stones of nearly uniform size laid down in layers; he did not approve of the use of binding materials or rollers. The idea of mixing tar with the gravel began 1880s.