a distinctive but intangible quality surrounding a person or thing; "an air of mystery"; "the house had a neglected air"; "an atmosphere of defeat pervaded the candidate's headquarters"; "the place had an aura of romance"
an indication of radiant light drawn around the head of a saint
a sensation (as of a cold breeze or bright light) that precedes the onset of certain disorders such as a migraine attack or epileptic seizure
ODOR
any property detected by the olfactory system
the sensation that results when olfactory receptors in the nose are stimulated by particular chemicals in gaseous form; "she loved the smell of roses"