Europium (noun)

Europium is a chemical element with the symbol Eu and atomic number 63. It is a rare-earth element that is a silvery-white metal.

Origin:

The element was named after the continent of europe, where it was discovered in 1901 by french chemist paul emile lecoq de boisbaudran.

Examples:

1. Europium is used as a dopant in certain types of fiber optic amplifiers.
2. Europium ions are also used in some phosphors to produce red and blue light in television and computer displays.
3. The element europium is used in the production of certain types of lasers.
4. Europium is a relatively stable element that can be found in trace amounts in the earth's crust.
5. Some researchers are exploring the use of europium as a catalyst in chemical reactions.