ky·​a·​nite ˈkī-ə-ˌnīt How to pronounce kyanite (audio)
: an aluminum silicate mineral Al2SiO5 that occurs usually in blue thin-bladed triclinic crystals and crystalline aggregates

Word History


German Zyanit, from Greek kyanos dark blue enamel, lapis lazuli

First Known Use

1794, in the meaning defined above

Time Traveler
The first known use of kyanite was in 1794

Dictionary Entries Near kyanite

Cite this Entry

“Kyanite.” Dictionary, Merriam-Webster, Accessed 4 Dec. 2023.

More from Merriam-Webster on kyanite

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!