What does allopathy mean?
The definition of allopathy
Al*lop”a*thy, n.
Etym: [Gr. allopathie, F. allopathie. See Pathos.]

That system of medical practice which aims to combat disease by the use of remedies which produce effects different from those produced by the special disease treated; — a term invented by Hahnemann to designate the ordinary practice, as opposed to homeopathy.