WordReference Random House Unabridged Dictionary of American English © 2025
ad•mass
(ad′mas′),USA pronunciation [Chiefly Brit.]
n.
adj.
n.
- Communications, British Termshigh-pressure marketing in which mass-media advertising is used to reach large numbers of people.
adj.
- Communications, British Termscharacteristic of or relating to admass.
- ad1 + mass 1950–55