Coolidge tube
Pronunciation: kū′lij
Definition: an x-ray tube, in which the cathode consists of a tungsten wire spiral surrounded by a focusing cup; the tungsten spiral is heated by an electric current; the quantity and quality of the x-rays so generated are regulated by varying the temperature of the cathode and the voltage between cathode and anode.
Search Stedman's Medical Dictionary
Examples: glitazone, GI cocktail, etc.

