bacterium

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.

One lowly bacterium possesses a flagellum—a tiny tail or rotor.

From The Wall Street Journal • Apr. 16, 2026

Flea-borne typhus is caused by the bacterium Rickettsia typhi.

From Los Angeles Times • Apr. 3, 2026

Does the explanation for its scale and speed lie solely in the bacterium itself or did other factors play a role?

From BBC • Mar. 20, 2026

In animal models of human breast cancer, the presence of this bacterium sped up tumor growth and increased the spread of cancer cells from the breast to the lungs.

From Science Daily • Mar. 19, 2026

A bacterium uses roughly a million bits of information—which is about 100 printed pages.

From "Cosmos" by Carl Sagan