1. Not transparent to X-rays or other forms of radiation
   - radiopaque

Encyclopedia: Radio-opaque

• eutrophic
• eutrophication
• Euxine Sea
• eV
• Eva Braun
• Eva Le Gallienne
• evacuant
• evacuate
• evacuation
• evacuee
• evade
• evader
• evaginate
• evagination
• evaluate
• evaluation
• evaluative
• evaluator
• copepod crustacean
• Copepoda
• coper
• Copernican
• Copernican system
• Copernicia
• Copernicia alba