Definition, Meaning & Synonyms

protozoan

noun
/ˌprəʊtəˈzəʊ.ən/
Definition
A protozoan is a single-celled microscopic organism that is typically motile and can be found in various environments, often in water or as parasites.
Examples
  • Ameba is a well-known type of protozoan that can change its shape.
  • Protozoans can be found in freshwater, marine, and terrestrial ecosystems.
  • Ciliates, like paramecia, are a diverse group of protozoans characterized by their cilia.
Meaning
Protozoans are considered one of the simplest forms of life and are classified as eukaryotes, meaning they have a defined nucleus.
Synonyms
  • Microorganism
  • Single-celled organism
  • Eukaryote