periosteum
pe·ri·o·ste·umnoun
periosteum is spelled P-E-R-I-O-S-T-E-U-M, 5 syllables: pe·ri·o·ste·um. The wrong spelling people search most is periostium: about 60 Bing searches a month in the United States (September 2025 to August 2026), about 1 in 33 of all searches for the word. Periosteum is a noun meaning “A membrane surrounding a bone”. The plural of periosteum is periostea or periosteums.
How many letters and syllables are in periosteum?
| Letters | 10: P-E-R-I-O-S-T-E-U-M |
|---|---|
| Syllables | 5: pe·ri·o·ste·um |
| In writing | about once in every 18 million words; the 127,184th most frequent word form |
| Wrong spellings searched | 1; the most searched, periostium, about 60 Bing searches a month (all of them) |
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); Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026).
How do you spell periosteum?
Periosteum is spelled P-E-R-I-O-S-T-E-U-M. One wrong spelling is searched or written often enough to measure; together they are about 1 in 33 of the searches for periosteum in either form.
Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026). Wrong spellings are taken from Wiktionary entries tagged "misspelling" and its obsolete or nonstandard forms, Wikipedia's Lists of common misspellings and the codespell dictionary, then measured. The proofreader's marks show the change that corrects each one.
How common is periosteum?
Periosteum appears about once in every 18 million words in written English, the 127,184th 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).
How do you pronounce periosteum?
- US
Periosteum has 5 syllables, split pe·ri·o·ste·um in writing.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Neøn-periosteum.wav, Wikimedia Commons (author and licence on each file's page).
Forms of periosteum
- periostea plural
- periosteums plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does periosteum mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A membrane surrounding a bone.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Periosteum in Spanish, French, German and Portuguese
In the sense membrane surrounding a bone:
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 periosteum come from?
From Ancient Greek περί (perí, “about, around”) + ὀστέον (ostéon, “bone”).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).