tarmacadam

WORDNET DICTIONARY

tarmacadam(n = noun.substance) tarmac - a paving material of tar and broken stone; mixed in a factory and shaped during paving;

is a kind of pavement, paving, paving material

tarmacadam(n = noun.artifact) macadam, tarmac - a paved surface having compressed layers of broken rocks held together with tar;

is a kind of paved surface

tarmacadam, n. a material of stone or slag bound with tar, used in paving roads etc.

Etymology

TAR(1) + MACADAM