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hydroxyapatite

American  
[hahy-drok-see-ap-uh-tahyt] / haɪˌdrɒk siˈæp əˌtaɪt /

noun

  1. a mineral, Ca 10 (PO4 ) 6 OH 2 , that is the principal storage form of calcium and phosphorus in bone.


Etymology

Origin of hydroxyapatite

First recorded in 1910–15; hydroxy- + apatite

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Their work began with an artificial bone framework made of hydroxyapatite, a natural mineral found in teeth and bones.

From Science Daily Nov. 20, 2025

This is where calcium combines with phosphate in our bones to create the mineral crystal hydroxyapatite.

From Salon May 1, 2024

Previous analyses of the adhesive found inorganic materials similar to cement, and hydroxyapatite, a mineral obtained from ground teeth and bones.

From Science Magazine May 20, 2022

The hydroxyapatite crystals give bones their hardness and strength, while the collagen fibers give them flexibility so that they are not brittle.

From Textbooks Jun. 19, 2013

Metal pegs to you, but very special metal pegs, developed by a team from University College London, and coated with hydroxyapatite, which encourages bone cells to grow on to the metal.

From The Guardian Jul. 1, 2010

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