ionophoresis
/ʌɪˌɒnə(ʊ)fəˈriːsɪs/noun
1 Medicine = iontophoresis; (in later use also) the controlled movement of ions in tissue by electrical means.
2 Biochemistry. Electrophoresis of very small ions.
Origin
Early 20th century. From iono- + -phoresis, in sense 1 probably as alteration of iontophoresis.