Definitions for macadamməˈkæd əm

This page provides all possible meanings and translations of the word macadam

Random House Webster's College Dictionary

mac•ad•amməˈkæd əm(n.)

  1. a macadamized road or pavement.

    Category: Civil Engineering

  2. the broken stone used for macadamizing.

    Category: Civil Engineering

Origin of macadam:

1815–25; after J. L. McAdam (1756–1836), Scottish engineer, who invented the process

Princeton's WordNet

  1. macadam(noun)

    broken stone used in macadamized roadways

  2. tarmacadam, tarmac, macadam(noun)

    a paved surface having compressed layers of broken rocks held together with tar


  1. macadam(Noun)

    The surface of a road consisting of layers of crushed stone (usually tar-coated for modern traffic).

  2. macadam(Noun)

    Any road or street

  3. Origin: Named after John Loudon McAdam, who invented the process of macadamization.


  1. Macadam

    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.

Translations for macadam

Kernerman English Multilingual Dictionary


a mixture of small stones and tar used for road surfaces etc.

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