1. A soft, silvery-white metallic element of the lanthanide series, used in phosphors, nuclear control rods, and other applications.
Usage: chemistry; element symbol: Eu; atomic number: 63

Examples

• Europium is one of the rarest lanthanide elements found in nature.
• The red phosphor in color television screens often contains europium compounds.
• Scientists use europium as a tracer element in medical and environmental research.
• Europium's magnetic properties make it valuable in various industrial applications.
• The element europium was named after the continent Europe.