HyperDic

English > 1 sense of the expression *radiopaque dye*:
NOUN	substance	radiopaque dye	dye that does not allow the passage of X rays or other radiation

English > *radiopaque dye*: 1 sense > noun 1, substance
Meaning	dye that does not allow the passage of X rays or other radiation; used to outline certain organs during X-ray examination.
Broader	dye, dyestuff	A usually soluble substance for staining or coloring e.g. fabrics or hair