Macadam

consists of aggregate, which has been mechanically locked together by rolling and cemented together by application of stone screening and water. Bituminous macadam is crushed aggregate in which the fragments are cemented together by bitumen or asphalt.

Macadam

Macadam is a type of road construction pioneered by Scottish engineer John Loudon McAdam 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. == Predecessors == ===Pierre-Mari...
Found on http://en.wikipedia.org/wiki/Macadam

macadam

noun broken stone used in macadamized roadways
Found on https://www.encyclo.co.uk/local/20974

macadam

a paved surface having compressed layers of broken rocks held together with tar
Found on https://www.vocabulary.com/lists/442184

macadam

form of pavement invented by John McAdam of Scotland in the 18th century. McAdam`s road cross section was composed of a compacted subgrade of ... [3 related articles]
Found on http://www.britannica.com/eb/a-z/m/2

macadam

[n] - broken stone used in macadamized roadways
Found on http://www.webdictionary.co.uk/definition.php?query=macadam
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