odoroscope
/ˈəʊd(ə)rəskəʊp/(also odourscope) Now historical
noun
An instrument or device for analysing odours.
- Apparently a variant of the tasimeter, the odoroscope's invention is usually attributed to Thomas Edison, but there is no evidence that it was ever patented by him..
Origin
Late 19th century; earliest use found in The Century Dictionary. From odour or its etymon classical Latin odōr-, odor odour + -o- + -scope.