Smell-O-Vision

Alternative forms

 * smellovision
 * smell-o-vision
 * Smell-o-Vision

Etymology
Coined by

Proper noun

 * 1) A system that choreographed the release of odors during the projection of a film, invented by Hans Laube.

Noun

 * 1)  Any such system that adds olfaction to cinematography, often portrayed as futuristic or far-fetched.
 * 2) * 1944, Bob Clampett (director), “The Old Grey Hare”, Merrie Melodies, Warner Bros.
 * Smellevision [sic.] Replaces Television