noun
- Plural of europium; multiple atoms or samples of the chemical element europium (Eu), a rare-earth metal with atomic number 63.
Usage: chemistry; technical
Examples
- Europiums are used in phosphors for color television screens.
- The laboratory stored several europiums in sealed containers to prevent oxidation.
- Scientists studied the magnetic properties of different europiums.
- Europiums emit red light when excited in certain compounds.
- The reactor produced trace amounts of europiums as fission byproducts.