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a phosphor with a high stopping power for x-rays that was formerly used widely in fluoroscopic screens and intensifying screens for radiography.
Farlex Partner Medical Dictionary © Farlex 2012
CaWO4, a fluorescent material formerly used for radiologic imaging. It was used in intensifying screens to amplify the image, thereby reducing the radiation exposure to the patient.
See also: calcium
Medical Dictionary, © 2009 Farlex and Partners