olfactometer

[ ol-fak-tom-i-ter, ohl- ]
/ ˌɒl fækˈtɒm ɪ tər, ˌoʊl- /

noun

a device for estimating the keenness of the sense of smell.

Origin of olfactometer

1885–90; < Latin olfact(us) (see olfaction) + -o- + -meter