microorganisms

Cultural  

1. Organisms so small that they can be seen only through a microscope. (See bacteria, protozoa, and viruses.)

---

Example Sentences

In his rare blend, which ages for four years, umami lingers, not saltiness, and the barrels’ microorganisms lend to the complex taste.

From The Wall Street Journal • Apr. 15, 2026

"The latest theory is related to some of the chemistry that goes into ensuring that the wastewater doesn't develop any biofilms," or microorganisms, he said.

From Barron's • Apr. 9, 2026

Until recently, scientists had limited understanding of how the microorganisms in sourdough interact with these fibers.

From Science Daily • Mar. 16, 2026

According to the authors, microorganisms can survive more extreme conditions than previously thought, including launch across space after major impacts, and life may be able to move between planets.

From Science Daily • Mar. 3, 2026

Medical men and even the general public were becoming aware that the human environment was inhabited by an enormous number of microorganisms capable of causing disease, just as today carcinogens pervade our surroundings.

From "Silent Spring" by Rachel Carson