tentorium
noun
tentorium is spelled T-E-N-T-O-R-I-U-M: 9 letters. It appears about once in every 89 million words in written English, the 301,415th most frequent word form (wordfreq, 2021 data). As a noun, tentorium means “The framework of internal supports (a false endoskeleton) within an arthropod head, formed by ingrowths of the exoskeleton called apophyses” (English Wiktionary, September 2026). The plural of tentorium is tentoria or tentoriums.
How many letters and syllables are in tentorium?
| Letters | 9: T-E-N-T-O-R-I-U-M |
|---|---|
| In writing | about once in every 89 million words; the 301,415th 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 tentorium?
Tentorium appears about once in every 89 million words in written English, the 301,415th 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 tentorium
- tentoria plural
- tentoriums plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does tentorium mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The framework of internal supports (a false endoskeleton) within an arthropod head, formed by ingrowths of the exoskeleton called apophyses.
- 2
The tentorium cerebelli, an extension of the dura mater that separates the cerebellum from the inferior portion of the occipital lobes.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does tentorium come from?
Early 19th century: from Latin tentorium, literally ‘tent’.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).