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contrast
(redirected from negative contrast)

   Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson 0.03 sec.

contrast

The white level of a display screen. The contrast adjusts how bright the white is. See brightness and contrast ratio.


contrast
1. (in painting) the effect of the juxtaposition of different colours, tones, etc.
2. 
a. (of a photographic emulsion) the degree of density measured against exposure used
b. the extent to which adjacent areas of an optical image, esp on a television screen or in a photographic negative or print, differ in brightness
3. Psychol the phenomenon that when two different but related stimuli are presented close together in space and/or time they are perceived as being more different than they really are


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Patent and Trademark Office has issued a key patent to the company entitled, "Method of Ultrasonic Imaging of the Gastrointestinal Tract and Upper Abdominal Organs Using an Orally Administered Negative Contrast Medium.
 
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