macadamize

As verbs the difference between macadamize and tarmac

is that macadamize is to cover, as a road, or street, with small, broken stones, so as to form a smooth, hard, convex surface while tarmac is (british|canada) to pave.

As a noun tarmac is

the bituminous surface of a road.

As verbs the difference between macadamized and macadamize

is that macadamized is (macadamize) while macadamize is to cover, as a road, or street, with small, broken stones, so as to form a smooth, hard, convex surface.

As a verb macadamize

is to cover, as a road, or street, with small, broken stones, so as to form a smooth, hard, convex surface.

As an adjective unmacadamized is

not macadamized.