Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

Word Explorer
Children's Dictionary
Help
Help
Help
 
     

mi·cro·or·gan·ism

microorganism

 
pronunciation:
maI kro or g nih zm
features:
Word Explorer, Word Parts
part of speech: noun
definition: any life form so small that it can only be seen with a microscope. Microorganisms include bacteria, viruses, and many protozoans.
similar words:
germ, microbe
Word Explorer
See
  bacteria, ecosystem, ocean, virus
Word PartsSubscriber feature About this feature