Empiric

Webster's Dictionary of the English Language

·adj ·Alt. of Empirical.

II. Empiric ·noun One who follows an empirical method; one who relies upon practical experience.

III. Empiric ·noun One who confines himself to applying the results of mere experience or his own observation; especially, in medicine, one who deviates from the rules of science and regular practice; an ignorant and unlicensed pretender; a quack; a charlatan.