Nouns

(n)tarmacadam, tarmaca paving material of tar and broken stone; mixed in a factory and shaped during paving
(n)tarmacadam, tarmac, macadama paved surface having compressed layers of broken rocks held together with tar

Verbs

(v)macadamize, macadamise, tarmac, macadamsurface with macadam“macadam the road”