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sirtuin

/ˈsɚ.tu.ɪn/noun

sirtuin is spelled S-I-R-T-U-I-N: 7 letters. It appears about once in every 39 million words in written English, the 191,932nd most frequent word form (wordfreq, 2021 data). As a noun, sirtuin means “Any of several enzymes that act as regulatory factors that mediate the life-extending effects of a low-calorie diet” (English Wiktionary, September 2026). The plural of sirtuin is sirtuins.

How many letters and syllables are in sirtuin?

Letters7: S-I-R-T-U-I-N
In writingabout once in every 39 million words; the 191,932nd most frequent word form
Wrong spellings searchednone 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 sirtuin?

Sirtuin appears about once in every 39 million words in written English, the 191,932nd 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 sirtuin?

  • /ˈsɚ.tu.ɪn/

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Forms of sirtuin

  • sirtuins plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What does sirtuin mean?

The meanings the English Wiktionary records, quoted as written there (source below).

noun

  1. 1

    Any of several enzymes that act as regulatory factors that mediate the life-extending effects of a low-calorie diet.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

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