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

So a lot of the focus is on changes to the bacterium and whether people have less immunity.

From BBC • Mar. 27, 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

Pneumococcal pneumonia after influenza infection—the epidemic within the epidemic—was of such concern that the ministry had deployed teams of scientists to study the bacterium and develop a vaccine against it.

From "The Gene" by Siddhartha Mukherjee