Definition of Protozoa in English:

Protozoa

Syllabification: Pro·to·zo·a
Pronunciation: /ˌprōdəˈzōə
 
/
Zoology
1A phylum or group of phyla that comprises the single-celled microscopic animals, which include amoebas, flagellates, ciliates, sporozoans, and many other forms. They are now usually treated as a number of phyla belonging to the kingdom Protista.
More example sentences
  • The first edition's chapter on Protozoa recognized 7 phyla.
  • This view is based on the early idea that sponges are grouped with the Protozoa.
1.1 (as plural noun protozoa) Organisms of the Protozoa group.
More example sentences
  • Instead, higher decomposition of organic matter might lead to higher populations of bacteria, protozoa, and organisms using these as food supply, which in turn can be consumed by zooplankton.
  • Microbiological contaminants, including protozoa, bacteria and viruses, are normally killed by chlorinating and other treatment.
  • From 6 to 26 nucleotide repeats have been identified in the chromosomal ends of Protozoa, fungi, nematodes, plants, and vertebrates.

Origin

modern Latin (plural), from proto- 'first' + Greek zōion 'animal'.

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Pronunciation: ˈretrəˌfleks
adjective
turned backward