You searched for: “contrast”
contrast (s) (noun), contrasts (pl)
1. The comparison of a thing or an individual that shows differences when juxtaposed with another: There is a marked contrast between a child who is obedient and one who contradicts, or "speaks against" those in authority, his elders.

In order to provide contrast in her outfit, Wendy chose to wear a green skirt and a red blouse.
2. A great dissimilarity between two or more entities that are apparent when compared: The old computer operated very slowly in contrast to the newest model Clifford decided to buy.

Word Entries at Get Words: “contrast”
contrast,medium (s) (noun), ontrast mediums; contrast media (pl)
A substance used in radiography to enhance the visibility of structures within the body: Contrast media are X-ray dyes used to provide contrast; for example, between blood vessels and other tissues.

Word Entries at Get Words containing the term: “contrast”
contrast agent (s) (noun), contrast agents (pl)
A contrast medium: A contrast agent is a liquid (usually iodine or gadolinium) that is injected into the body to make certain tissues show up clearly during diagnostic imaging (angiography, CT, myelogram, MRI).