Æsthesiometer

Æs‐the′si‐om″e‐ter, Es‐the′si‐om″e‐ter (�), n. [Gr. � (see Æsthesia) + -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.