Defn: A fluoride of aluminium, calcium, and sodium occurring with the cryolite of Greenland.
THOMSEN'S DISEASE
Thom"sen's dis*ease". Etym: [From Thomsen, a physician of Sleswick.]
(Med.)
Defn: An affection apparently congenital, consisting in tonic contraction and stiffness of the voluntary muscles occurring after a period of muscular inaction.
THOMSONIAN
Thom*so"ni*an, a. (Med.)
Defn: Of or pertaining to Thomsonianism.
— n.
Defn: A believer in Thomsonianism; one who practices Thomsonianism.
THOMSONIANISM
Thom*so"ni*an*ism, n. (Med.)
Defn: 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.
THOMSONITE
Thom"son*ite, n. Etym: [From R.D.Thomson, of Glasgow.] (Min.)
Defn: A zeolitic mineral, occurring generally in masses of a radiated structure. It is a hydrous silicate of aluminia, lime, and soda. Called also mesole, and comptonite.