calcium phosphate

noun

1. any of several phosphates of calcium occurring naturally in some rocks and in animal bones, used as a fertilizer and food additive as well as in baking powder and dentifrices.

calcium phosphate

noun

1. the insoluble nonacid calcium salt of orthophosphoric acid (phosphoric(V) acid): it occurs in bones and is the main constituent of bone ash. Formula: Ca 3 (PO 4 ) 2
2. any calcium salt of a phosphoric acid. Calcium phosphates are found in many rocks and used esp in fertilizers

calcium phosphate

1. Any of three powdery phosphates of calcium:
2. A colorless powder used in baking powders, as a plant food, as a plastic stabilizer, and in glass. Calcium phosphate is deliquescent, and will dissolve in the water it absorbs from the atmosphere if it is not kept in a closed container. Chemical formula: Ca(H 2 PO 4 ) 2 .
3. A white crystalline powder used as an animal food, as a plastic stabilizer, and in glass and toothpaste. Chemical formula: CaHPO 4 .
4. A white powder that is used in ceramics, rubber, fertilizers, and for various purposes in the food industry. Chemical formula: Ca 3 (PO 4 ) 2 .

Word History and Origins

Origin of calcium phosphate¹

First recorded in 1865–70

Example Sentences

These structures are stiffer and more damage resistant than biomineralized materials, like the calcium phosphate typically found in teeth or the combination of calcium carbonate and the protein chitin in many arthropod shells, the team found.

From Science News

The usual forms are: (a) Ammoniomagnesium phosphate crystals; (b) acid calcium phosphate crystals; and (c) amorphous phosphates.

From Project Gutenberg

Other adulterants of cream of tartar are acid calcium phosphate, starch, gypsum, and alum.

From Project Gutenberg

These take up increasing amounts of calcium phosphate, until finally the combination formed can no longer remain in solution.

From Project Gutenberg

According to Bang, before coagulation occurs, paracaseins with constantly greater affinity for calcium phosphate are produced.

From Project Gutenberg

It is a very impure form of carbon, containing on the average about 80% of calcium phosphate.

From Project Gutenberg