| has gloss | (noun) any organism of microscopic size micro-organism, microorganism | 
| has gloss | eng: A microorganism or microbe is a living thing (organism) that is too small to be visible to the human eye (microscopic). The study of microorganisms is called microbiology. Microorganisms can be bacteria, fungi, archaea or protists. | 
| lexicalization | eng: Micro-Organism | 
| lexicalization | eng: microorganism | 
| subclass of | (noun) a living thing that has (or can develop) the ability to act or function independently being, organism | 
| has subclass | (noun) microscopic plants; bacteria are often considered to be microflora microflora | 
| has subclass | (noun) (biology) a single-celled microorganism (especially a flagellate protozoan) monad | 
| has subclass | (noun) harmless microorganisms (as Escherichia coli) that inhabit the intestinal tract and are essential for its normal functioning intestinal flora | 
| has subclass | (noun) (virology) ultramicroscopic infectious agent that replicates itself only within cells of living hosts; many are pathogenic; a piece of nucleic acid (DNA or RNA) wrapped in a thin coat of protein virus | 
| has subclass | (noun) organisms that typically reproduce by asexual budding or fission and whose nutritional mode is absorption or photosynthesis or chemosynthesis moneron, moneran | 
| has subclass | (noun) (microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonomy is difficult; often considered to be plants bacterium, bacteria | 
| has subclass | (noun) a minute life form (especially a disease-causing bacterium); the term is not in technical use microbe, bug, germ | 
| has subclass | (noun) any disease-producing agent (especially a virus or bacterium or other microorganism) pathogen | 
| has subclass | (noun) any of the unicellular protists protoctist | 
| has subclass | (noun) free-living or colonial organisms with diverse nutritional and reproductive modes protist, protistan | 
| has subclass | c/Fictional microorganisms | 
| has subclass | c/Microorganisms by year of formal description | 
| has subclass | c/Microorganisms described in the 21st century | 
| has subclass | e/Microorganism |