tyrosine
noun
tyrosine is spelled T-Y-R-O-S-I-N-E: 8 letters. It appears about once in every 1 million words in written English, the 34,504th most frequent word form (wordfreq, 2021 data). As a noun, tyrosine means “A nonessential amino acid 2-amino-3-(4-hydroxyphenyl)propanoic acid found in most animal proteins, especially casein” (English Wiktionary, September 2026). The plural of tyrosine is tyrosines.
How many letters and syllables are in tyrosine?
| Letters | 8: T-Y-R-O-S-I-N-E |
|---|---|
| In writing | about once in every 1 million words; the 34,504th 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 tyrosine?
Tyrosine appears about once in every 1 million words in written English, the 34,504th 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 tyrosine?
- US
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Neøn-tyrosine.wav, Wikimedia Commons (author and licence on each file's page).
Forms of tyrosine
- tyrosines plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does tyrosine mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A nonessential amino acid 2-amino-3-(4-hydroxyphenyl)propanoic acid found in most animal proteins, especially casein
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Tyrosine in Spanish, French, German and Portuguese
In the sense nonessential 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 tyrosine come from?
From Ancient Greek τῡρός (tūrós, “cheese”) + -ine (since first discovered in cheese); surface analysis is approximately tyro- + -ine.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).