Fangshi (fang-shih; ) was a category of Chinese technical specialists that flourished from the third century BCE to the fifth century CE. English translations of fangshi encompass alchemist, astrologer, diviner, exorcist, geomancer, doctor, magician, mountebank, monk, mystic, necromancer, occultist, omenologist, physician, physiognomist, technician, technologist, thaumaturge, and wizard.