Definition of odoroscope in US English:

odoroscope

(also odourscope)

noun

historical
  • An instrument or device for analysing odours.

Origin

Late 19th century; earliest use found in The Century Dictionary. From odour or its etymon classical Latin odōr-, odor odour + -o- + -scope.

Pronunciation

odoroscope

/ˈəʊd(ə)rəskəʊp/