Share this entry

Share this page

macadam

Syllabification: mac·ad·am
Pronunciation: /məˈkadəm
 
/

Definition of macadam in English:

noun

Broken stone of even size used in successively compacted layers for surfacing roads and paths, and typically bound with tar or bitumen.
Example sentences
  • How good a road is going to be depends on how the design is laid out initially vis-a-vis the layer of bitumen, macadam, coat of slurry seal or fog seal.
  • The dense bitumen macadam surface, in the absence of any other dressing, tends to polish and became dangerous, particularly after rain.
  • In the absence of surface dressing, dense bitumen macadam tends to polish and become dangerous.

Origin

early 19th century: named after John L. McAdam (1756–1836), the British surveyor who advocated using this material.

Derivatives

macadamed

1
adjective
Example sentences
  • We did lose the trail at one point, when we crossed over the one macadamed road.
  • There is a macadamed road which turns right and heads up to a little parking area right of the road.
  • There is a good macadamed road to the entrance of the village, where there is a meadow for children to play.

Words that rhyme with macadam

Adam, madam, Madame

Definition of macadam in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day reciprocity
Pronunciation: ˌrɛsɪˈprɒsɪti
noun
exchanging things with others for mutual benefit…