Definitions of micro-organisme
n any organism of microscopic size
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(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
(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
a minute life form (especially a disease-causing bacterium); the term is not in technical use
any disease-producing agent (especially a virus or bacterium or other microorganism)
any of the unicellular protists
any rod-shaped bacterium
any of diverse minute acellular or unicellular organisms usually nonphotosynthetic
primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots and leaves