threonine
/ˈθɹiːəniːn/noun
threonine is spelled T-H-R-E-O-N-I-N-E: 9 letters. It appears about once in every 5 million words in written English, the 69,055th most frequent word form (wordfreq, 2021 data). As a noun, threonine means “An essential amino acid C₄H₉NO₃ found in most animal proteins” (English Wiktionary, September 2026). The plural of threonine is threonines.
How many letters and syllables are in threonine?
| Letters | 9: T-H-R-E-O-N-I-N-E |
|---|---|
| In writing | about once in every 5 million words; the 69,055th 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 threonine?
Threonine appears about once in every 5 million words in written English, the 69,055th 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 threonine?
- /ˈθɹiːəniːn/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Tesco250-threonine.wav, Wikimedia Commons (author and licence on each file's page).
Forms of threonine
- threonines plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does threonine mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
An essential amino acid C₄H₉NO₃ found in most animal proteins.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Threonine in Spanish, French, German and Portuguese
In the sense an essential amino acid:
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 threonine come from?
From threose.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).