Thomsonian(a.)
- Of or pertaining to Thomsonianism.
Thomsonian(n.)
- A believer in Thomsonianism; one who practices Thomsonianism.
Thomsonianism(n.)
- 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.