exospore

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noun

The outer layer of a spore, especially in some algae and fungi.

OriginEnglish spore ← Ancient Greek ἔξω (éxō) ← Proto-Hellenic *eks →
Scrabble 17
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Meanings

nounexospore (plural exospores)

plural exospores

  1. The outer layer of a spore, especially in some algae and fungi.

Synonyms & antonyms

Also see
episporiumexosporium

Origin

  1. Proto-Indo-European*h₁éǵʰ
  2. Proto-Indo-European*h₁eǵʰs
  3. Proto-Hellenic*eks
  4. Ancient Greekἐκ (ek)
  5. Ancient Greekἔξω (éxō)
  6. Englishexo-
  7. Englishspore
  8. Englishexospore

From exo- + spore.

Full word history & related roots →
Cite this entry
APA

exospore. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/exospore

MLA

“exospore.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/exospore. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “exospore,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/exospore.

Source: exospore on Wiktionary, CC BY-SA 4.0.