microorganisms

Cultural  

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

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Example Sentences

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

From Science Daily

Unlike soil on Earth, it does not contain microorganisms or organic matter that plants depend on to grow.

From Science Daily

Scientists believe these adaptable microorganisms, which rely heavily on iron and carry out ammonia oxidation, could significantly influence how nutrients are distributed throughout the oceans as the climate continues to change.

From Science Daily

Allen had a test run on her infant’s gut microbiome—the collection of bacteria and other microorganisms that inhabit the digestive tract.

From The Wall Street Journal

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