|annoying or harmful noise in an environment|
|the offspring of a zebra and a donkey.|
|an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.|
noise pollution n.
An annoying or a physiologically damaging environmental noise level.
|noise pollution (noiz) Pronunciation Key
Environmental noise, as from vehicles or machinery, that is annoying, distracting, or physically harmful. The physical effects can include hearing loss, tinnitus, stress, and sleeplessness. Noise pollution is usually considered in terms of its effects on human populations, though it is known to affect wildlife as well.