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hydroxyapatite

noun

hydroxyapatite is a noun meaning “A basic calcium phosphate mineral that is the principal inorganic constituent of bone and teeth” (English Wiktionary, September 2026). It is spelled H-Y-D-R-O-X-Y-A-P-A-T-I-T-E, and it appears about once in every 12 million words in written English (wordfreq, 2021 data). The plural of hydroxyapatite is hydroxyapatites.

What does hydroxyapatite mean?

noun

  1. 1

    A basic calcium phosphate mineral that is the principal inorganic constituent of bone and teeth.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Forms of hydroxyapatite

  • hydroxyapatites plural
  • hydroxylapatite

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

How common is hydroxyapatite?

Hydroxyapatite appears about once in every 12 million words in written English, the 102,771st most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

Where does hydroxyapatite come from?

From hydroxy- + apatite.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).