Contrast Medium Definition
kŏntrăst
noun
A substance, such as barium or air, used in radiography to increase the contrast of an image. A positive contrast medium absorbs x-rays more strongly than the tissue or structure being examined; a negative contrast medium, less strongly.
American Heritage Medicine
Synonyms:
- contrast material
Other Word Forms of Contrast Medium
Noun
Singular:
contrast medium
Plural:
contrast mediaRelated Articles
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