hydroxyapatite

hy drox y a pa tite |hīˌdräksēˈapəˌtīt ˌhaɪdrɑksiˈæpətaɪt | ▶noun a mineral of the apatite group that is the main inorganic constituent of tooth enamel and bone, although it is rare in rocks.

hydroxyapatite

hydroxyapatite |ˌhʌɪdrɒksɪˈapətʌɪt | ▶noun [ mass noun ] a mineral related to apatite which is the main inorganic constituent of tooth enamel and bone, although it is rare in rocks.