Definition: Diminished sense of smell, due to transport disorders (in nasal obstruction) or to sensorineural disorders (affecting the olfactory neuroepithelium or the central olfactory neural pathways); may be both hereditary or aquired. It may be general to all odorants, partial to some odorants, or specific to one or more odorants.
[hypo- + G. osme, smell]
Search Stedman's Medical Dictionary
Examples: glitazone, GI cocktail, etc.