ALL meanings of microorganism
mi·cro·or·gan·ism
M m - noun microorganism microscopic life form 1
- noun microorganism A microscopic organism, especially a bacterium, virus, or fungus. 1
- noun microorganism any organism too small to be viewed by the unaided eye, as bacteria, protozoa, and some fungi and algae. 1
- countable noun microorganism A microorganism is a very small living thing which you can only see if you use a microscope. 0
- noun microorganism any organism, such as a bacterium, protozoan, or virus, of microscopic size 0
- noun microorganism any microscopic or ultramicroscopic animal, plant, bacterium, virus, etc. 0