Meaning of hydroxyapatite

hy•drox•y•ap•a•tite

Pronunciation: (hī-drok"sē-ap'u-tīt"), [key]
— n.
  1. a mineral, Ca(PO)OH, that is the principal storage form of calcium and phosphorus in bone.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.