What phenomenon occurs in olfaction where the perceived intensity of a strong scent vanishes after initial exposure?

Answer

Olfactory fatigue

Olfactory fatigue is the term used to describe the rapid adaptation of chemoreceptors in the nasal epithelium, causing strong background odors to seem to vanish.

What phenomenon occurs in olfaction where the perceived intensity of a strong scent vanishes after initial exposure?
adaptationstimulusphysiologySensoryreceptor