English > microorganism: 1 sense > noun 1, animal| Meaning | Any organism of microscopic size. |
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| Synonym | micro-organism |
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| Category of | bacteremia, bacteriemia, bacteriaemia | transient presence of bacteria (or other microorganisms) in the blood |
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| highly infective | (of a microorganism) extremely infective |
| motile | (of spores or microorganisms) capable of movement |
| nonmotile, immotile | (of spores or microorganisms) not capable of movement |
| vector, transmitter | Any agent (person or animal or microorganism) that carries and transmits a disease |
| virulence, virulency | extreme / extreme harmfulness (as the capacity of a microorganism to cause disease) |
| Category | animal, animate being, beast, brute, creature, fauna | A living organism characterized by voluntary movement |
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| plant, flora, plant life | (botany) a living organism lacking the power of locomotion |
| Parts | pilus | hairlike structure especially on the surface of a cell or microorganism |
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| Narrower | bacteria, bacterium | (microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission |
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| intestinal flora | harmless microorganisms (as Escherichia coli) that inhabit the intestinal tract and are essential for its normal functioning |
| microbe, bug, germ | A minute life form (especially a disease-causing bacterium) |
| microflora | Microscopic plants |
| monad | (biology) a single-celled microorganism (especially a flagellate protozoan) |
| moneran, moneron | organisms that typically reproduce by asexual budding or fission and whose nutritional mode is absorption or photosynthesis or chemosynthesis |
| pathogen | Any disease-producing agent (especially a virus or bacterium or other microorganism) |
| protist, protistan | Free-living or colonial organisms with diverse nutritional and reproductive modes |
| protoctist | Any of the unicellular protists |
| virus | (virology) ultramicroscopic infectious agent that replicates itself only within cells of living hosts |
| Broader | organism, being | A living thing that has (or can develop) the ability to act or function independently |
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| Spanish | microorganismo, microorganismos |
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| Catalan | microorganisme |
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