osteopetrosis
noun
osteopetrosis is spelled O-S-T-E-O-P-E-T-R-O-S-I-S: 13 letters. It appears about once in every 48 million words in written English, the 214,628th most frequent word form (wordfreq, 2021 data). As a noun, osteopetrosis means “A rare hereditary disorder characterized by hard, dense bones” (English Wiktionary, September 2026). The plural of osteopetrosis is osteopetroses.
How many letters and syllables are in osteopetrosis?
| Letters | 13: O-S-T-E-O-P-E-T-R-O-S-I-S |
|---|---|
| In writing | about once in every 48 million words; the 214,628th most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is osteopetrosis?
Osteopetrosis appears about once in every 48 million words in written English, the 214,628th 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).
Forms of osteopetrosis
- osteopetroses plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does osteopetrosis mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A rare hereditary disorder characterized by hard, dense bones.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Osteopetrosis in Spanish, French, German and Portuguese
In the sense hereditary disorder:
| Language | Words |
|---|---|
| French | ostéopétrose |
| Spanish | osteopetrosis |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does osteopetrosis come from?
From osteo- + Ancient Greek πέτρα (pétra, “rock”) + English -osis.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).