antinoise

[ an-tee-noiz, an-tahy- ]
/ ˌæn tiˈnɔɪz, ˌæn taɪ- /

adjective

designed to reduce or ban excessively loud sound, as of jet engines or traffic: antinoise legislation.

Origin of antinoise

First recorded in 1905–10; anti- + noise

British Dictionary definitions for antinoise

antinoise
/ (ˈæntɪˌnɔɪz) /

noun

sound generated so that it is out of phase with a noise, such as that made by an engine, in order to reduce the noise level by interference