Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A hard, variously colored apatite mineral, calcium fluoride phosphate, Ca5F(PO4)3, that is the most common phosphate mineral and is used in the manufacture of fertilizers. Fluorapatite is formed in tooth enamel exposed to fluoride and helps prevent decay by its resistance to acidity.
from The Century Dictionary.
- noun See
chlorapatite .
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mineralogy A
calcium halophosphate mineral , in whichfluoride replaces thehydroxide ofapatite , that is mined as aphosphate ore, and occurs in theenamel ofteeth .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a form of apatite in which fluorine predominates over chlorine
Etymologies
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Examples
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In addition to forming fluorapatite crystals like other fluorides, stannous fluoride also has a toxic effect on acid-producing mouth bacteria, says biochemist Matthew J. Doyle, director of global research and development for P & G's oral-care division.
The Acid Test for Enamel-Saving Toothpastes Laura Johannes 2010
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The claims are often based on the presence of fluoride, which scientists say combines with minerals in your mouth to create a crystal called fluorapatite on the surface of your teeth.
The Acid Test for Enamel-Saving Toothpastes Laura Johannes 2010
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Concentrations of the REE's have been identified within phosphate minerals from the project such as carbonated monazite, dahllite, apatite and fluorapatite genetically associated with the alkalic sill complex.
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Concentrations of the REE's have been identified within phosphate minerals from the project such as carbonated monazite, dahllite, apatite and fluorapatite genetically associated with the alkalic sill complex.
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