hy·drox·y·ap·a·tite 
(hī-drŏk′sē-ăpĭ-tīt′)
(hī-drŏk′sē-ăpĭ-tīt′)n.
A whitish apatite mineral, calcium hydroxide phosphate, Ca5(OH)(PO4)3, that is the chief mineral component of bones and teeth and provides strength and rigidity to their structures.
- pull over
- pullover
- pull punches
- pull rank
- pull round
- pull someone's chain
- pull (someone's) leg
- pull someone's leg
- pull something
- pull strings
- pull strings/wires
- pull-tab
- pull the plug on
- pull the rug from under
- pull the rug (out) from under
- pull the rug out from under
- pull the string
- pull the wool over eyes
- pull the wool over (someone's) eyes
- pull the wool over someone's eyes
- pull through
- pull together
- pull together
- pullulate
- pullulation