hydroxyapatite

noun
hy·​droxy·​ap·​a·​tite | \ hī-ˌdräk-sē-ˈa-pə-ˌtīt How to pronounce hydroxyapatite (audio) \
variants: or hydroxylapatite \ hī-​ˌdräk-​sə-​ˈla-​pə-​ˌtīt How to pronounce hydroxylapatite (audio) \

Definition of hydroxyapatite

: a complex phosphate of calcium Ca5(PO4)3OH that occurs as a mineral and is the chief structural element of vertebrate bone

Examples of hydroxyapatite in a Sentence

Recent Examples on the Web Previous teams synthesized pins from hydroxyapatite, a major component in human and animal bones. Eva Frederick, Science | AAAS, "Dog bones could help patch broken bird wings," 21 Nov. 2019 But, reports Wudan Yan at The New York Times, the dragonfish enamel is studded with tiny crystals made of hydroxyapatite, just 5-to-20-nanometers in diameter. Jason Daley, Smithsonian, "Nanoscale Structures Give Dragonfish Their Terrible, Invisible Teeth," 6 June 2019 Boka thinks that fluoride is not good enough, however, and has thus created a paste with nano-hydroxyapatite (N-Ha) in its place. Adam Hurly, GQ, "The Best Toothpaste for Removing Stains, Fixing Your Breath, and Not Getting Gingivitis," 27 Apr. 2018 Researchers at Shanghai’s Institute of Ceramics are developing a new kind of wallpaper made from graphene oxide and hydroxyapatite nanowires that can detect fire and act as a retardant. Liz Stinson, Curbed, "Scientists are developing wallpaper that can tell when your house is on fire," 11 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hydroxyapatite.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of hydroxyapatite

1912, in the meaning defined above

Keep scrolling for more

Learn More about hydroxyapatite

Time Traveler for hydroxyapatite

Time Traveler

The first known use of hydroxyapatite was in 1912

See more words from the same year

Statistics for hydroxyapatite

Cite this Entry

“Hydroxyapatite.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/hydroxyapatite. Accessed 27 January 2020.

Keep scrolling for more

More Definitions for hydroxyapatite

hydroxyapatite

noun
hy·​droxy·​ap·​a·​tite | \ hī-ˌdräk-sē-ˈap-ə-ˌtīt How to pronounce hydroxyapatite (audio) \
variants: or hydroxylapatite \ -​sə-​ˈlap-​ə-​ˌtīt How to pronounce hydroxylapatite (audio) \

Medical Definition of hydroxyapatite

: a complex phosphate of calcium Ca5(PO4)3OH that occurs as a mineral and is the chief structural element of vertebrate bone

More from Merriam-Webster on hydroxyapatite

Britannica.com: Encyclopedia article about hydroxyapatite

Comments on hydroxyapatite

What made you want to look up hydroxyapatite? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

one that suddenly gains wealth or power

Get Word of the Day daily email!

Test Your Vocabulary

Intact Latin Quiz

  • roman tablet
  • What did focus mean in Latin?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!