noun
- a hard, lightweight metallic chemical element with the symbol Be
Usage: chemistry
Examples
- Beryllium is used in aerospace applications due to its light weight.
- The atomic number of beryllium is 4.
- Beryllium compounds can be toxic if inhaled.
- Scientists use beryllium in nuclear reactors as a neutron moderator.
- The beryllium coating made the mirror extremely lightweight.
- Beryllium alloys are valued for their strength and conductivity.