n. [ Named after Dr. J. Thomsen of Copenhagen. See -lite. ] (Min.) A fluoride of aluminium, calcium, and sodium occurring with the cryolite of Greenland. [ 1913 Webster ]

[ From Thomsen, a physician of Sleswick. ] (Med.) An affection apparently congenital, consisting in tonic contraction and stiffness of the voluntary muscles occurring after a period of muscular inaction. [ 1913 Webster ]