microorganism

(MY-kroh-OR-guh-NIH-zum)

An organism that can be seen only through a microscope. Microorganisms include bacteria, protozoa, algae, and fungi. Although viruses are not considered living organisms, they are sometimes classified as microorganisms.

Pronunciation of dictionary term "microorganism"

Pronunciation of dictionary term "microorganismo"

Organismo que solo puede verse bajo un microscopio. Los microorganismos incluyen las bacterias, los protozoos, las algas y los hongos. Aunque los virus no se consideran organismos vivos, a veces se clasifican como microorganismos.