tincal
/ˈtɪŋkəl/
noun
- A natural mineral form of borax, used in making glass, ceramics, and as a cleaning agent.
- The ancient Egyptians used tincal in the mummification process.
- Tincal is an important source of boron for industrial uses.
- Tincal is mined in some parts of Asia and South America.
Synonyms