eustachian
/juːˈsteɪ.ʃən/adjective
eustachian is spelled E-U-S-T-A-C-H-I-A-N: 10 letters and 4 syllables. It appears about once in every 13 million words in written English, the 106,501st most frequent word form (wordfreq, 2021 data). As an adjective, eustachian means “Alternative letter-case form of Eustachian” (English Wiktionary, September 2026).
How many letters and syllables are in eustachian?
| Letters | 10: E-U-S-T-A-C-H-I-A-N |
|---|---|
| Syllables | 4 (from its American pronunciation) |
| In writing | about once in every 13 million words; the 106,501st most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is eustachian?
Eustachian appears about once in every 13 million words in written English, the 106,501st 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 eustachian?
- /juːˈsteɪ.ʃən/
- /juːˈsteɪ.ki.ən/
Eustachian has 4 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does eustachian mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
Alternative letter-case form of Eustachian.
adjective
- 1
Of or relating to Bartolomeo Eustachi (1500 or 1514–1574), also known as Eustachius, one of the founders of the science of human anatomy.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does eustachian come from?
From Eustachi + -an.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).