What is "electrology"

Electrology \E`lec*trol"o*gy\, n. [Electro- + -logy.] That branch of physical science which treats of the phenomena of electricity and its properties.

n. (context dated English) the branch of physical science that deals with electricity and its properties

Electrology is the practice of electrical epilation to permanently remove human hair. The actual process of removing the hair is referred to as electrolysis.