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endospore

noun

endospore is a noun meaning “The inner layer of a spore” (English Wiktionary, September 2026). It is spelled E-N-D-O-S-P-O-R-E, and it appears about once in every 63 million words in written English (wordfreq, 2021 data). The plural of endospore is endospores.

What does endospore mean?

noun

  1. 1

    The inner layer of a spore.

  2. 2

    A small vegetative spore produced by some bacteria.

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

Forms of endospore

  • endospores plural

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

How common is endospore?

Endospore appears about once in every 63 million words in written English, the 249,463rd 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).

Where does endospore come from?

From endo- + spore.

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