- (transitive)
to construct or surface (a road) with macadam
WordReference Random House Unabridged Dictionary of American English © 2025
mac•ad•am•ize
(mə kad′ə mīz′),USA pronunciation v.t., -ized, -iz•ing.
mac•ad′am•i•za′tion, n.
- Civil Engineeringto pave by laying and compacting successive layers of broken stone, often with asphalt or hot tar.
- macadam + -ize 1815–25
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