ky·a·nite 
(kīə-nīt′) also cy·a·nite (sīə-)
(kīə-nīt′) also cy·a·nite (sīə-)n.
A bluish-green to colorless mineral, Al2SiO5, used as a refractory.
[Greek kuanos, dark blue enamel + -ITE1.]
- broad gauge
- broad-gauge
- broad jump
- broadleaf
- broadleaf arrowhead
- broad-leafed
- broad-leaved
- broadloom
- broadly
- broad-minded
- broad-mindedly
- broad-mindedness
- broadness
- Broad River
- Broads
- broadsheet
- broadside
- broad-spectrum
- broadsword
- broadtail
- Broadway
- broad-winged hawk
- Brobdingnagian
- brocade
- Broca's area