Definition of Macadam

1. Noun. Broken stone used in macadamized roadways.

Generic synonyms: Pavement, Paving, Paving Material
Derivative terms: Macadamize

2. Noun. A paved surface having compressed layers of broken rocks held together with tar.
Exact synonyms: Tarmac, Tarmacadam
Generic synonyms: Paved Surface
Derivative terms: Macadamize, Tarmac

Definition of Macadam

1. Proper noun. (surname from=Scottish Gaelic) ¹

2. Proper noun. (surname from=Scottish Gaelic) ¹

3. Noun. The surface of a road consisting of layers of crushed stone (usually tar-coated for modern traffic). ¹

4. Noun. (US dated countable) Any road or street ¹

¹ Source:

Definition of Macadam

1. a type of pavement [n -S] - See also: pavement

Macadam Pictures

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Lexicographical Neighbors of Macadam

mac 'n' cheese
macaca fascicularis
macaca mulatta
macaca nemestrina
macaca radiata
macadam (current term)
macadamia nut
macadamia nut tree
macadamia nuts
macadamia tree

Literary usage of Macadam

Below you will find example usage of this term as found in modern and/or classical literature:

1. Report by Illinois Highway Commission (1913)
"These are divided into two main groups: the waterbound macadam roads and bituminous ... Wherever isolated sections of macadam roads are exposed to mud marks ..."

2. Annual Report by Ontario Dept. of Highways, Ontario Dept. of Agriculture and Food, Ontario Dept. of Public Works (1897)
"DRAINAGE OF macadam ROADS. A prevailing impression with respect to macadam roads it that an allowance which has had the centre portion raised and levelled, ..."

3. A Treatise on Roads and Pavements by Ira Osborn Baker (1918)
"A bituminous-macadam road consists of two or more courses of broken stone, ... Formerly this form of construction was usually called bituminous macadam by ..."

4. Handbook of Cost Data for Contractors and Engineers: A Reference Book Giving by Halbert Powers Gillette (1910)
"The cost of crushing rock for macadam, concrete, or other purposes, is also given in the Rock Excavation Section. Some examples of the cost of grading roads ..."

5. Proceedings (1891)
"Through the energy, care, and attention of a few men, principally members of this Association, tar macadam roads are now so well made, and are such a marked ..."

6. The Construction of Roads and Pavements by Thomas Radford Agg (1916)
"The water-bound macadam surface made with good stone will be sufficiently stable to carry loads of considerable weight, but the integrity of the surface ..."

7. The Construction of Roads and Pavements by Thomas Radford Agg (1916)
"CHAPTER VIII WATER-BOUND macadam ROADS AND PAVEMENTS Road surfaces constructed of broken stone cemented into a solid mass by means of stone dust and water ..."

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