Perkinism \Per"kin*ism\ (p[~e]r"k[i^]n*[i^]z'm), n. (Med.)
A remedial treatment, by drawing the pointed extremities of
two rods, each of a different metal, over the affected part;
tractoration, -- first employed by Dr. Elisha Perkins of
Norwich, Conn. See {Metallotherapy}. [archaic]
[1913 Webster]