protozoan
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Toxoplasma gondii—a single-celled protozoan—is capable of infecting almost every mammal and bird species, including humans, and in severe cases causes blindness, birth defects, and death.
From Science Magazine
It’s not yet clear, however, exactly how the Amazonian variant wards off the protozoan invader.
From Science Magazine
Ecologist Stephen Obiero said that sewage in the river used to irrigate farmland can cause “the possibility of contamination of the plant products with bacteria, viruses, protozoa … if not properly handled by the end users.”
From Seattle Times
A research team placed Halteria ciliates—a type of protozoan with hairlike organelles found in freshwater worldwide—in a petri dish with only chloroviruses, which infect green algae.
From Science Magazine
That figure does not even count certain bacteria, viruses, fungi and protozoans that are also considered to be parasitic.
From New York Times
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.