Praseodymium (Noun)
Meaning
A soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process.
Classification
Nouns denoting substances.
Examples
- Praseodymium is a chemical element with the symbol Pr and atomic number 59.
- The main mining areas for praseodymium are China and the United States.
- Praseodymium is used to make high-strength permanent magnets, which are used in electric motors.
- The name praseodymium comes from the Greek words "prasinos," meaning green, and "didymos," meaning twin.
- Praseodymium oxide is used as a catalyst in the petroleum industry.