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.

The researchers explored whether the holes had been caused by an infection involving microbes called protozoans.

From Reuters • Oct. 1, 2022

The broadest definition of “parasite” includes pathogens such as bacteria, viruses, fungi and protozoans.

From Scientific American • May 18, 2022

His companion guide to garden science is a learned romp through plant biology; solar energy and soil nutrients; the movement of vines; and “fellow gardeners”, from single-celled protozoans to beetles.

From Nature • Mar. 20, 2018

There he photographed protozoans called ciliates that were found for the first time only in 2007.

From Slate • Oct. 31, 2014

The scoutmaster had given them a long lecture about disrupting nature—by the end of it, Jonah felt guilty about how many protozoans he’d probably killed.

From "Found" by Margaret Peterson Haddix