macadam

ma-cad-am · noun

imported

Definitions

noun

  1. 1.

    A type of road construction using layers of compacted broken stone, typically bound with tar or asphalt.

  2. 2.

    The broken stone used in making such roads.

Related words

See also: asphalt, pavement, tarmac
Synonyms: asphalt, pavement, tarmac

Etymology

From the name of Scottish engineer John Loudon McAdam (1756-1836), who pioneered this method of road construction.