Dictionary.net

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"

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"

A sweet or an offensive smell; perfume.

A smell. Odours are subtle particles, constantly escaping from the surface of certain bodies hence called o'dorous, (F.) Odorant. They act, in some manner, by actual contact with the nerves of the Schneiderian membrane, and give occasion to the sense of smell or olfaction.

n. [Latin] Any smell, whether fragrant or offensive ; scent.