Plural of bacterium
irregular plural
The plural of bacterium is bacteria.
Forms of bacterium
| Singular | bacterium /bækˈtɪəɹ.ɪəm/ |
|---|---|
| Plural | bacteria /bakˈtɪə̯.ri.ə/ |
| Countable | countable |
Less standard forms: bacteriums (nonstandard).
Bacteria in a sentence
- Terrestrial bacteria and fungi which can manage this trick are already familiar to experts in the field.2013 July 20, “Welcome to the plastisphere”, in The Economist, volume 408, number 8845, archived from the original on 14 Aug 2020
- Early exposure to pet allergens and pet-related bacteria accustoms the body to allergens.From the entry accustom
- While the environment is teeming with bacteria and fungi, most are not pathogenic.From the entry pathogenic
- Bacteria exhibit geometric increase in numbers when the environment is not limiting.From the entry geometric
- Cloudiness in the water is most often caused in new aquariums by white bacteria.From the entry cloudiness
Meaning of bacterium
- noun A single-celled organism with cell walls but no nucleus or organelles.
Nouns ending in -um: plural -a
- minimum (minima)
- medium (media)
- maximum (maxima)
- spectrum (spectra)
- curriculum (curricula)
- referendum (referenda)
- millennium (millennia)
- consortium (consortia)
- podium (podia)
- aquarium (aquaria)
- optimum (optima)
- gymnasium (gymnasia)
Questions about the plural of bacterium
- What is the plural of bacterium?
- The plural of bacterium is bacteria.
- Is bacterium countable?
- Bacterium is a countable noun.
- Is bacteriums correct?
- bacteriums is marked nonstandard in Wiktionary. The usual plural of bacterium is bacteria.
Source and license
Adapted from Wiktionary: bacterium (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.
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Cite this page: “Plural of bacterium.” Word.ws, https://word.ws/plural/bacterium. Based on Wiktionary, CC BY-SA 4.0.