contrast : Idioms & Phrases
contrast material
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noun a substance that is opaque to x-rays; when administered it allows a radiologist to examine the organ or tissue it fills
contrast material.
WordNet
contrast medium
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noun a substance that is opaque to x-rays; when administered it allows a radiologist to examine the organ or tissue it fills
contrast material.
WordNet
direct contrast
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noun the opposition or dissimilarity of things that are compared
contrast.
- in contrast to", "by contrast
WordNet
Polar , ∨ Polaric , opposition ∨ contrast
(Logic) , an opposition or contrast made by the existence of two opposite conceptions which are the extremes in a species, as white and black in colors; hence, as great an opposition or contrast as possible.