nanobacterium

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noun

Any supposed microorganism much smaller than a bacterium.

OriginEnglish bacterium ← New Latin bactērium ← Ancient Greek βακτήριον (baktḗrion) →
Scrabble 19
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Meanings

nounnanobacterium (plural nanobacteria)

plural nanobacteria

  1. biologyAny supposed microorganism much smaller than a bacterium.

Origin

  1. Ancient Greekνᾶνος (nânos)
  2. Latinnānus
  3. Englishnano-
  4. Ancient Greekβακτηρία (baktēría)
  5. Ancient Greekβακτήριον (baktḗrion)
  6. New Latinbactērium
  7. Englishbacterium
  8. Englishnanobacterium

From nano- + bacterium.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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