from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The process of paving roads with macadam.
from the GNU version of the Collaborative International Dictionary of English
- n. The process or act of macadamizing.
from The Century Dictionary and Cyclopedia
- n. The process of laying carriage-roads according to the system of John Loudon Macadam, a Scottish engineer (1756–1836), who carried it out very extensively in England.
From macadamize + -ation. (Wiktionary)