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tautomer

noun

tautomer is spelled T-A-U-T-O-M-E-R: 8 letters. It appears about once in every 65 million words in written English, the 252,559th most frequent word form (wordfreq, 2021 data). As a noun, tautomer means “Any of the multiple forms of a tautomeric compound” (English Wiktionary, September 2026). The plural of tautomer is tautomers.

How many letters and syllables are in tautomer?

Letters8: T-A-U-T-O-M-E-R
In writingabout once in every 65 million words; the 252,559th 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 tautomer?

Tautomer appears about once in every 65 million words in written English, the 252,559th 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 tautomer

  • tautomers plural

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

What does tautomer mean?

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

noun

  1. 1

    Any of the multiple forms of a tautomeric compound.

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

Where does tautomer come from?

From taut- + -o- + -mer.

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

What to look up after tautomer