The nasal equivalent of white noise which is a mixture of many different sound frequencies: "Olfactory white is a blend of many different smelly compounds>"

"Olfactory white also has a distinct smell, caused not by specific compounds but by the mixtures of compounds which are all of equal intensity and they consist of a full range of human smells."

"What does olfactory white smell like? The scent is so mild that it is too difficult to describe. People indicated that it contains qualities of being fit to eat both and pleasantness."