noun
noise; cacophony
Refers to unpleasant, harsh, or discordant sound, often in a technical or literary context. More formal than 騒音 (そうおん), which is the common word for everyday noise.
工場から出る噪音が近隣住民の悩みの種だ。
The noise coming from the factory is a source of distress for nearby residents.
彼の音楽は一部の人には噪音にしか聞こえない。
His music sounds like nothing but cacophony to some people.