Wiktionary

microorganism

See also: microörganism and micro-organism

English

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Alternative forms

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Etymology

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From micro- ‎ organism.

Pronunciation

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Noun

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microorganism (plural microorganisms)

  1. (microbiology) An organism that is too small to be seen by the unaided eye; especially, a single-celled organism, such as a bacterium.
    Synonym: microbe
    The cud is then reswallowed and further digested by specialized microorganisms that live in the rumen.
    • 1957, Communicationes Veterinariae - Volumes 1-3, page 52:
      Bacillus anthracis: from the first up to the sixth day, this microorganism was isolatable, or in other words still alive.
    • 2015 July 11, “Antimicrobial Photoinactivation Using Visible Light Plus Water-Filtered Infrared-A (VIS wIRA) Alters In Situ Oral Biofilms”, in PLOS ONE‎[1], →DOI:
      The differences in biofilm penetration patterns of both tested photosensitisers and the light source could have played an important role for the survival of microorganisms after the application of aPDT. In a recent own study, we showed that the deepest layers of the oral biofilm were not affected by the aPDT [4 ].

Usage notes

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  • Whether viruses are alive, and thus whether they are microorganisms (microbes), is a matter of variable ontology; the semantic field of the word microorganism is often taken to include viruses in casual or broad terms, but not always in precise terms.
  • GPO manual recommends using a hyphen to avoid doubling a vowel except after short prefixes.[1] However, microorganism is several times more common than micro-organism in print[2] and most dictionaries only have the spelling microorganism.

Translations

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See also

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References

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  1. ^ 6. Compounding Rules in U.S. Government Printing Office Style Manual, govinfo.gov
  2. ^ (microorganism*0.2),micro-organism at the Google Books Ngram Viewer.

Further reading

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Romanian

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Etymology

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Borrowed from French microorganisme.

Noun

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microorganism n (plural microorganisme)

  1. microorganism

Declension

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singular plural
indefinite definite indefinite definite
nominative-accusative microorganism microorganismul microorganisme microorganismele
genitive-dative microorganism microorganismului microorganisme microorganismelor
vocative microorganismule microorganismelor
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