The Collaborative International Dictionary
Electrotonic
Electrotonic \E*lec`tro*ton"ic\, a.
(Physics) 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.(Physiol.) Relating to electrotonus; as, the electrotonic condition of a nerve.
Wiktionary
electrotonic
a. Of, or pertaining to, or caused by electrotonus