Dictionary

tourmaline

noun tour·ma·line \ˈtr-mə-lən, -ˌlēn\

Definition of TOURMALINE

:  a mineral of variable color that consists of a complex borosilicate and is valued as a gem when transparent and cut
ADVERTISEMENT

Origin of TOURMALINE

Sinhalese toramalli carnelian
First Known Use: 1759

Other Mineralogy Terms

agate, host, inclusion, matrix, streak

Browse

3 ENTRIES FOUND:
Next Word in the Dictionary: tourmaline pinkPrevious Word in the Dictionary: tourlourouAll Words Near: tourmaline
ADVERTISEMENT
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears