Electrotonic \E*lec`tro*ton"ic\, a.
1. (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.
[1913 Webster]
2. (Physiol.) Relating to electrotonus; as, the electrotonic
condition of a nerve.
[1913 Webster]