"process of laying roads according to the system of John L. McAdam;" 1824, noun of action from macadamize (see macadam).
Mac-
macabre
Macaca
macadam
macadamia
macadamization
macadamize
macaque
macaroni
macaronic
macaroon
)window.location='https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=byronic106@yahoo.com&lc=US&item_name=Donation+to +Help+Keep+Etymonline+Free+and+Open&no_note=0&cn=&curency_code=USD&bn=PP-DonationsBF:btn_donateCC_LG.gif:NonHosted'){kind=link}