electronic nose
n. A device containing electronic sensors that can detect chemicals associated with particular smells.

Example Citation:
"She predicted that the electronic nose would come in handy in diagnosing disease. Doctors often use their sense of smell (discreetly) to do just that. 'It seems rude to have doctors sniffing around you,' Ms. Ackerman said. But she predicted that the electronic nose might provide some neutral scientific basis for comparing smells."
—Peter Wayner, "As Plain as the 'Nose' on Your Chip," The New York Times, July 8, 1999

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