
1) Aerobe 2) Bacteria 3) Bacterial 4) Bacterioid 5) Bacterioidal 6) Bacterium 7) Bacteroid 8) Bacteroidal 9) Bug 10) Germ 11) Microbe 12) Microbial 13) Microbic 14) Moneron 15) Pathogen 16) Protist 17) Protistan 18) Protoctist 19) Viral 20) Virus
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https://www.crosswordclues.com/clue/microorganism

1) Being 2) Organism
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https://www.crosswordclues.com/clue/microorganism

an organism visible only through a microscope.
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http://en.wikipedia.org/wiki/Glossary_of_environmental_science

A microorganism (from the μικρός, mikros, `small` and ὀργανισμός, organismós, `organism`) is a microscopic organism, which may be a single cell or multicellular organism. The study of microorganisms is called microbiology, a subject that began with Antonie van Leeuwenhoek`s discovery of microorganisms in 1675, using a micros...
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http://en.wikipedia.org/wiki/Microorganism

• (n.) Any microscopic form of life; -- particularly applied to bacteria and similar organisms, esp. such are supposed to cause infectious diseases.
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http://thinkexist.com/dictionary/meaning/microorganism/

(micro- + organism) a microscopic organism; those of medical interest include bacteria, viruses, fungi and protozoa.
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http://users.ugent.be/~rvdstich/eugloss/DIC/dictio54.html

(from the article `dairy product`) ...to adjust the fat-to-protein ratio of the milk. In some cases the cheese yield is improved by concentrating protein in a process known as ... Soil microorganisms, particularly bacteria, have developed diverse means to use readily available substances as sources of carbon or energy. ... ...a signi...
Found on
http://www.britannica.com/eb/a-z/m/85

An organism that can be seen only through a microscope. Microorganisms include bacteria, protozoa, algae, and fungi. Although viruses are not considered living organisms, they are sometimes classified as microorganisms.
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http://www.cancer.gov/dictionary?expand=M

organisms (microbes) observable only through a microscope; larger, visible types are called macroorganisms.
Found on
http://www.chemicalglossary.net/definition/1039-Microorganism

<microbiology> A microscopic organism, those of medical interest include bacteria, viruses, algae, fungi and protozoa. ... (13 Nov 1997) ...
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http://www.encyclo.co.uk/local/20973

(mi″kro-or´gәn-iz-әm) a microscopic organism; those of medical interest include bacteria, fungi, and protozoa. Viruses are often classified as microorganisms, although they are sometimes excluded because they are not cellular and they are unable to replicate without a host cell.
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http://www.encyclo.co.uk/local/21001

Microscopically small organisms such as viruses, bacteria, protozoa and fungi. Bacteria and fungi are principally responsible for decay in food.
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http://www.encyclo.co.uk/local/22159

A living individual of microscopic size, such as a bacterium or protozoan.
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http://www.encyclo.co.uk/visitor-contributions.php
Mi`cro·ör'gan·ism noun [
Micro- +
organism .]
(Biol.) Any microscopic form of life; -- particularly applied to bacteria and similar organisms, esp. such are supposed to cause infectious diseases.
Found on
http://www.encyclo.co.uk/webster/M/62

organisms (microbes) observable only through a microscope; larger, visible types are called macroorganisms.
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http://www.hach.com/chemGlossary

Type: Term Pronunciation: mī′krō-ōr′gan-izm Definitions: 1. A microscopic organism (plant or animal).
Found on
http://www.medilexicon.com/medicaldictionary.php?t=55246

Extremely small organism that can only be seen using a microscope.
Found on
http://www.physicalgeography.net/physgeoglos/m.html

[
n] - any organism (animal or plant) of microscopic size
Found on
http://www.webdictionary.co.uk/definition.php?query=microorganism

generally, an organism that is too small to be seen without a microscope; also known as a microbe
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https://courses.lumenlearning.com/microbiology/chapter/glossary/

An organism of microscopic size, such as a bacterium, virus, fungus, viroid, or mycoplasma.
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https://extension.umd.edu/hgic/resource-library/vegetable-gardening-glossar

very small living organism - bacteria, virus, etc
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https://sciencetrek.org/sciencetrek/topics/soil/glossary.cfm

Also called microbe, an organism of microscopic size.
Found on
https://www.bcm.edu/departments/molecular-virology-and-microbiology/emergin
micro-organism noun any organism of microscopic size
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https://www.encyclo.co.uk/local/20974

Any living creature of microscopic size, especially bacteria and protozoa.
Found on
https://www.encyclo.co.uk/local/22169
No exact match found.