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n.1.(Med.) An empirical system which assumes that the human body is composed of four elements, earth, air, fire, and water, and that vegetable medicines alone should be used; - from the founder, Dr. Samuel Thomson, of Massachusetts.
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It was during this period that "eclectism," Thomsonianism, and homoeopathy, three rebel systems of medicine, made their bids for recognition.
And then there was Thomsonianism which was later assimilated by the Eclectics.
A fundamental concept of Thomsonianism was that inflammation and fever were not a disease or enemy, that inflammation healed and fever was a friend.