Neodymium (noun)

A rare-earth element with the atomic number 60, used in the production of powerful magnets and as a dopant in fiber optics.

Origin:

From the greek words "neos" meaning "new" and "didymos" meaning "twin".

Examples:

1. Neodymium magnets are the strongest type of permanent magnets.
2. Neodymium is used in a variety of industrial and technological applications.
3. Neodymium is found in small quantities in many minerals.
4. Neodymium is used as a dopant in fiber optics to amplify signals.
5. The element was discovered in 1885 and named neodymium because of its twin colored lines in the spectrum.