Webster's Revised Unabridged Dictionary · 1913

Perkinism

Perkinism (pẽr"kin*iz'm) , noun

(Medicine) 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]