terbium
/ˈtɜrbiəm/
noun
- A soft, silvery-gray metallic chemical element (symbol Tb) that is part of the lanthanide series, used in some electronics and lasers.
- The scientist explained that terbium alloys are important in certain types of magnets.
- Terbium is often used to make the green color in television screens and fluorescent lamps.
- Miners extracted a small amount of terbium from the rare earth ore.