WordReference Random House Unabridged Dictionary of American English © 2026
fluor•ap•a•tite
(flŏŏr ap′ə tīt′, flôr-, flōr-),USA pronunciation n.
- Biochemistry, Mineralogya crystalline mineral, Ca5(PO4)3F, formed from hydroxyapatite in the presence of fluoride, that has a hardening effect on bones and teeth.
- German Fluorapatit; see fluor-, apatite
- 1880–85