macadam

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macadam¹

  • /məˈkædəm/ UK

Where it comes from

Named after Scottish engineer John Loudon McAdam (1756–1836), who invented the process of macadamization. Used for describing road surfaces originally constructed using the McAdam method, but now sometimes used for any road or street.

noun macadams · McAdam

  1. uncountable The surface of a road consisting of layers of crushed stone (usually tar-coated for modern traffic). This narrow-gauge line had suffered the same fate as that between Schull and Skibbereen, with the track taken up except where it runs through one of the town streets and is embedded in the macadam.
  2. US, countable, dated Any road or street.

verb macadams · macadaming · macadamming · macadamed · macadammed

  1. transitive To cover or surface with macadam.

    Similar: macadamize

Macadam²

proper noun

  1. alternative Alternative spelling of MacAdam

MacAdam³

proper noun Macadam · McAdam · McKeggie

  1. A surname from Scottish Gaelic.

Translations

Every language

noun surface of a road

Portuguêsmacadame
DeutschMakadam
Русскийще́бень ščébenʹ

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Cite this
MLA

"macadam." Wiktionary, via Micwyn, micwyn.com/word/macadam. Accessed 6 Nov. 2026.

APA

macadam. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/macadam

Chicago

"macadam." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/macadam.

BibTeX
@misc{macadam_2026,
  title = {macadam},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/macadam},
  urldate = {2026-11-06}
}