broken stone used in macadamized roadways
tarmacadam, tarmac, macadam(noun)
a paved surface having compressed layers of broken rocks held together with tar
The surface of a road consisting of layers of crushed stone (usually tar-coated for modern traffic).
Any road or street
Origin: Named after John Loudon McAdam, who invented the process of macadamization.
Macadam is a type of road construction pioneered by Scottish engineer John Loudon McAdam in around 1820. The method simplified what had been considered state of the art at that point. Single-sized aggregate layers of small stones, with a coating of binder as a cementing agent, are mixed in an open-structured roadway.
The numerical value of macadam in Chaldean Numerology is: 9
The numerical value of macadam in Pythagorean Numerology is: 9
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