Word.ws English Dictionary

Plural of amoeba

irregular plural

The plural of amoeba is amoebae or amoebas.

Forms of amoeba

Singularamoeba /əˈmiːbə/
Pluralamoebae
amoebas
Countablecountable

Amoebae and amoebas in a sentence

  • Members of the Arcellina (testate amoebae), especially the terrestrial species, are surrounded by resistent tests with only one small pseudostome.2012, Jürgen Bereiter-Hahn, O. Roger Anderson, Wolf-Ernst Reif, Cytomechanics: The Mechanical Basis of Cell Form and Structure, →ISBN. From the entry pseudostome
  • A total of 47 interstitial testate amoebas have been recorded in the Bulgarian Black Sea coast.2007, Victor Fet, Alexi Popov, Biogeography and Ecology of Bulgaria, →ISBN, page 558. From the entry psammobiotic
  • The newest giant virus is Medusavirus, so named because of the way it infects amoebas, single-celled organisms that commonly live in water.2019 March 20, Sarah Zhang, “Beware the Medusavirus”, in The Atlantic. From the entry medusavirus
  • It is remarkable that all testate amoebas belonging to the psammoxenic category are reported by Decloitre along the French coast of the department of Var.1990, Stygologia - Volumes 5-6, page 50. From the entry psammoxenic

Meaning of amoeba

  1. noun A member of the genus Amoeba of unicellular protozoa that moves by means of temporary projections called pseudopodia.
  2. noun Any eukaryote that exhibits amoeboid movement, having the ability to change its shape.
  3. noun Any member of the class or phylum Sarcodina, a polyphyletic grouping into which diverse amoeboids were placed.

Full definition of amoeba

Nouns ending in -a: plural -ae

Questions about the plural of amoeba

What is the plural of amoeba?
The plural of amoeba is amoebae or amoebas.
Which is correct, amoebae or amoebas?
Both are used. amoebas is the more common of the two in English writing.
Is amoeba countable?
Amoeba is a countable noun.

Source and license

Adapted from Wiktionary: amoeba (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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