microbe
//ˈmaɪ.kroʊb//
Noun
microbeSingular
microbesPlural
1
A microscopic organism, especially a bacterium or virus that can cause disease.
Washing your hands regularly helps prevent the spread of harmful microbes.
2
Any very small living thing that cannot be seen without a microscope, including bacteria, fungi, and protozoa.
Scientists use microscopes to study microbes in water samples.