from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A fossil tooth coloured a bright blue by iron phosphate, used as an imitation turquoise.
from the GNU version of the Collaborative International Dictionary of English
- n. A fossil tooth colored a bright blue by phosphate of iron. It is used as an imitation of turquoise, and hence called bone turquoise.
from The Century Dictionary and Cyclopedia
- n. A fossil tooth; specifically, a fossil tooth or bone of a bright-blue color, occurring in the Tertiary. Compare bone-turquoise.
odonto- + -lite (Wiktionary)