1. A substance that is opaque to x-rays; when administered it allows a radiologist to examine the organ or tissue it fills
   - contrast material

Derived forms: contrast media

Type of: medium

Encyclopedia: Contrast medium

• chalcedonic
• chalcedony
• chalcid
• chalcid wasp
• Chalcidae
• chalcidfly
• Chalcididae
• Chalcis
• chalcis fly
• chalcocite
• chalcopyrite
• alkaptonuria
• alkene
• Alkeran
• alkie
• alky
• alkyd
• alkyd resin
• alkyl
• alkyl group
• alkyl halide
• alkyl radical
• alkylating agent
• alkylbenzene
• alkylbenzenesulfonate