Perkinism

== English == === Etymology === From Perkins +‎ -ism, after inventor Elisha Perkins (1741–1799). === Noun === Perkinism (uncountable) (medicine, archaic) A pseudoscientific treatment in which two pointed metal rods ("tractors") were waved over the body, supposed to cure inflammation, rheumatism, etc. by drawing off an electrical fluid. ==== Synonyms ==== tractoration tractorism