electrotonic
E*lec`tro*ton"ic, a. 1. (Physics) Defn: Of or pertaining to electrical tension; -- said of a supposed peculiar condition of a conducting circuit during its exposure to the action of another conducting circuit traversed by a uniform electric current when both circuits remain stationary. Faraday. 2. (Physiol.) Defn: Relating to electrotonus; as, the electrotonic condition of a nerve.