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eosin

/ˈi.əsɪn/noun

eosin is spelled E-O-S-I-N: 5 letters. It appears about once in every 14 million words in written English, the 111,684th most frequent word form (wordfreq, 2021 data). As a noun, eosin means “A red, acidic dye commonly used in histological stains” (English Wiktionary, September 2026). The plural of eosin is eosins.

How many letters and syllables are in eosin?

Letters5: E-O-S-I-N
In writingabout once in every 14 million words; the 111,684th most frequent word form
Wrong spellings searchednone measured in search
Same letters

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); rhymes and same-letter words are computed by PlainSpell from its own word list.

How common is eosin?

Eosin appears about once in every 14 million words in written English, the 111,684th 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 eosin?

  • /ˈi.əsɪn/

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-eosin.wav, Wikimedia Commons (author and licence on each file's page).

What rhymes with eosin?

No other word on PlainSpell ends in the same sounds as eosin.

Spelled with the same letters in another order: noise, nosie.

Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).

Forms of eosin

  • eosins plural

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

What does eosin mean?

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

noun

  1. 1

    A red, acidic dye commonly used in histological stains.

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

Eosin in Spanish, French, German and Portuguese

In the sense red, acidic dye:

LanguageWords
Frenchéosine
GermanEosin
Spanisheosina

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 eosin come from?

Borrowed from German Eosin, coined by Heinrich Caro, from Ancient Greek ἠώς (ēṓs, “dawn”) + -in.

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

What to look up after eosin