noun
- a chemical element that is a hard, dark substance used in making glass and ceramics
Usage: chemistry
Examples
- Boron is essential for plant growth.
- The glass manufacturer added boron to increase durability.
- Boron has the chemical symbol B on the periodic table.
- Scientists study boron compounds in the laboratory.
- Boron deficiency can affect crop yields.
- The atomic number of boron is five.