noun
- Plural of dysprosium; the chemical element with atomic number 66, a rare-earth metal used in nuclear reactors and permanent magnets.
Usage: chemistry; technical
Examples
- Dysprosiums are among the lanthanide elements found in rare-earth mineral deposits.
- The laboratory ordered several samples of dysprosiums for the materials science experiment.
- Dysprosiums have high thermal neutron absorption cross-sections, making them valuable in reactor control rods.
- Scientists studied the magnetic properties of dysprosiums in the alloy composition.