Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An organism of microscopic or submicroscopic size, especially a bacterium or protozoan.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An organism that is too small to be seen by the unaided eye, especially a single-celled organism, such as a bacterium.

from the GNU version of the Collaborative International Dictionary of English

  • n. Any microscopic form of life; a form of life too small to be seen by the naked eye; -- particularly applied to bacteria, protozoa, yeasts, and similar organisms, esp. such are supposed to cause infectious diseases.

from The Century Dictionary and Cyclopedia

  • n. A microscopic organism, as a bacillus, bacterium, or vibrio; a microbe; a microzoary.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. any organism of microscopic size
  • n. any organism of microscopic size

Etymologies

From micro- +‎ organism. (Wiktionary)

Examples

  • "This study gives a systems biology view of how a phenotype, or a 'network state' advantageous to a microorganism is comprised of a tiny subset of a much larger universe of possibilities as provided for in the genome," said Palsson.

    Dampening Contingency

  • The single cell of a microorganism is a perfect protein factory.

    Chapter 7

  • "It exchanges a functional definition of a pathogen -- that is, a microorganism that can do harm -- for a very complicated approach that says: 'Maybe it's a pathogen and maybe it's not, and there are infinite numbers of possibilities'."

    Scientific American

  • After they got interested in that microorganism, they prepared several canned meats, and checked the radioactivity: The meats were still rotting, and all of other microbes were completely destroyed, except one microorganism, which is known as deinococcus radiodurans.

    CreationWiki - Recent changes [en]

  • After it was turned on, the Robot Scientist made a few discoveries on the genomics of the Saccharomyces cerevisiae microorganism, which is widely used by experts to model more complex creatures.

    Softpedia News - Global

  • After they got interesting in that [[microorganism]], they prepared several canned [[| meat | meats]], and checked the radioactivity, still the meats were rotting, and all of other microbes were completely destroyed, except one microorganism, which is known as deinococcus radiodurans today.

    CreationWiki - Recent changes [en]

  • After they got interestedi n that [[microorganism]], they prepared several canned meats, and checked the radioactivity stillr otting, and all of other microbes were completely destroyed, except one microorganism, which is known as deinococcus radiodurans.

    CreationWiki - Recent changes [en]

  • Firstly, you decide whether your microorganism will be a carnivore or a herbivore.

    Blogger Buster

  • [[| meat | meats]], and checked the radioactivity, still the meats were rotting, and all of other microbes were completely destroyed, except one microorganism, which is known as deinococcus radiodurans today.

    CreationWiki - Recent changes [en]

  • The makers of Slim-Fast say the premade shakes may be contaminated with some kind of microorganism, harmful bacteria.

    CNN Transcript Dec 5, 2009

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