contrast material contrastively • contrast medium · · · Info · Definitions · Synonyms · Characters · · contrast material · · Text Common · · Latin · · Scripts 17 · · Length 5 · · Syllables Definitions · · · (noun) a substance that is opaque to x-rays; when administered it allows a radiologist to examine the organ or tissue it fills. Synonyms: contrast medium, contrast material. · · Noun Definition 1 Synonyms · · · contrast medium · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074