radio-opaque dye

Definitions

General Science

  • noun a liquid which is introduced into soft organs such as kidneys so that they show up clearly on an X-ray photograph

Medical

  • noun a liquid which appears on an X-ray, and which is introduced into soft organs such as the kidney so that they show up clearly on an X-ray photograph
http://www.dictionarycentral.com/definition/radio-opaque-dye.html