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activin

noun

activin is spelled A-C-T-I-V-I-N: 7 letters. It appears about once in every 33 million words in written English, the 176,009th most frequent word form (wordfreq, 2021 data). As a noun, activin means “A peptide that participates in the regulation of the menstrual cycle, cell proliferation, apoptosis, metabolism, and many other diverse functions” (English Wiktionary, September 2026). The plural of activin is activins.

How many letters and syllables are in activin?

Letters7: A-C-T-I-V-I-N
In writingabout once in every 33 million words; the 176,009th 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 activin?

Activin appears about once in every 33 million words in written English, the 176,009th 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 activin

  • activins plural

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

What does activin mean?

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

noun

  1. 1

    A peptide that participates in the regulation of the menstrual cycle, cell proliferation, apoptosis, metabolism, and many other diverse functions.

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

Activin in Spanish, French, German and Portuguese

In the sense a peptide that participates in diverse bodily functions:

LanguageWords
Portugueseactivina, ativina

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.

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