noun
- imperfectly crystallized diamond used for industrial purposes such as cutting and drilling
Usage: technical; mining
Examples
- The drill bit was embedded with boart to cut through hard rock.
- Industrial boart is much less expensive than gem-quality diamonds.
- The mining company sorted the boart from the higher-grade diamonds.
- Boart particles are used in diamond-tipped saw blades.
- The jeweler explained that boart cannot be used for fine jewelry.
- Diamond powder made from boart is essential for polishing gemstones.