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radiography
(redirected from double contrast radiography)

   Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson 0.02 sec.
radiography: see X ray X ray, invisible, highly penetrating electromagnetic radiation of much shorter wavelength (higher frequency) than visible light. The wavelength range for X rays is from about 10−8 m to about 10−11
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radiography
the production of radiographs of opaque objects for use in medicine, surgery, industry, etc.

radiography [‚rād·ē′äg·rə·fē]
(graphic arts)
The technique of producing a photographic image of an opaque specimen by transmitting a beam of x-rays or γ-rays through it onto an adjacent photographic film; the image results from variations in thickness, density, and chemical composition of the specimen; used in medicine and industry.


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