Search Result for "radiopaque dye":
Wordnet 3.0

NOUN (1)

1. dye that does not allow the passage of X rays or other radiation; used to outline certain organs during X-ray examination; 



WordNet (r) 3.0 (2006):

radiopaque dye
    n 1: dye that does not allow the passage of X rays or other
         radiation; used to outline certain organs during X-ray
         examination