AEsthesiometer \[AE]s*the`si*om"e*ter\, Esthesiometer
\Es*the`si*om"e*ter\, n. [Gr. ? (see {[AE]sthesia}) + -meter.]
An instrument to measure the degree of sensation, by
determining at how short a distance two impressions upon the
skin can be distinguished, and thus to determine whether the
condition of tactile sensibility is normal or altered.
[1913 Webster]