microorganisms

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

Example Sentences

"While the lava tubes on Lanzarote were discovered several years ago, we are the first to complete such a detailed study of minerals and microorganisms," Onac said.

From Science Daily

Studying the function of microorganisms in such habitats is challenging, however, because it's difficult to separate genetic material from the living part of the community from genetic material of the dead.

From Science Daily

Sugar and other ingredients in Halloween treats can cast a sickly spell on the trillions of microorganisms that reside in your gut, collectively known as the gut microbiome.

From Salon

Life was very simple - microorganisms composed of single cells.

From BBC

These miniature springtails, under two millimetres long, are found alongside slime moulds worldwide, munching on microorganisms and playing a key role in soil health.

From BBC