europium
/jʊˈroʊpiəm/
noun
- A soft, silvery-white metallic chemical element that is used in making red and blue colors in television screens, computer monitors, and energy-saving light bulbs.
- Scientists are studying new ways to recycle europium from old electronics.
- Europium is added to phosphors to create the bright red color in many TV screens.
- The glow of the energy-saving lamp comes from a small amount of europium in the coating.