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

His company gathers data on environmental conditions and available substrates, and sequences the genomes of microorganisms appropriate for the food industry.

From BBC • Jun. 4, 2026

This involves genetically engineering microorganisms, such as moulds, to produce a specific material in a fermentation process.

From BBC • Jun. 4, 2026

Katchinoff’s team studied how fine the powder should be, how best to release it and the tank conditions that aid helpful microorganisms.

From The Wall Street Journal • May 14, 2026

Scientists say one of the most concerning features of these amoebae is their ability to survive harsh conditions that would normally kill other microorganisms.

From Science Daily • May 2, 2026

One of the first to envision such use of microorganisms was the 19th-century zoologist Elie Metchnikoff.

From "Silent Spring" by Rachel Carson