microorganism
About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.
About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.mi·cro·or·gan·ism
noun \-ˈȯr-gə-ˌni-zəm\Definition of MICROORGANISM
: an organism (as a bacterium or protozoan) of microscopic or ultramicroscopic size
See Origin of MICROORGANISM
International Scientific Vocabulary
First Known Use: 1880
mi·cro·or·gan·ism
noun \-ˈȯr-gə-ˌniz-əm\ (Medical Dictionary)Medical Definition of MICROORGANISM
: an organism of microscopic or ultramicroscopic size
Learn More About MICROORGANISM
Browse
Next Word in the Dictionary: micropaleontology
Previous Word in the Dictionary: micronutrient
All Words Near: microorganism
Previous Word in the Dictionary: micronutrient
All Words Near: microorganism
Seen & Heard 
What made you want to look up microorganism? Please tell us where you read or heard it (including the quote, if possible).
