Found 2 items, similar to white noise.
English → English (WordNet) Definition: white noise white noise n : a `sh' noise produced by a stimulus containing all audible frequencies of vibration
English → English (gcide) Definition: White noise White noise \White noise\, n. a mixture or random noise sounds extending over the entire audible frequency spectrum with approximately equal intensity at all frequencies. It is used in certain experiments, as in psychology, to prevent subjects from hearing meaningful sounds. [PJC]