amoeba

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Pound for pound, the amoeba is the most vicious animal on earth.

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Definitions (2)

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  1. noun Any of various one-celled aquatic or parasitic protozoans of the genus Amoeba or related genera, having no definite form and consisting of a mass of protoplasm containing one or more nuclei surrounded by a flexible outer membrane. It moves by means of pseudopods.

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Examples (50)

  • The vicariousness of our newest media thus has a deep-rooted evolutionary imprimatur But in human activities in which only the real thing will do, in which the call of the amoeba is still eminently felt, we can expect the spirit of my grandmother to prevail into the twenty-first century and well beyond. —  Omni: August 1994
  • Like some tremendously magnified and growing amoeba, the spot spread out its greedy hands, lapping irregularly at hitherto dry areas. —  Astounding Stories June, 1935
  • This insight reassured me that the amoeba was not really feeling pain: it was simply responding mechanically One could suggest (as did some students in the class) that a nervous system is necessary for an animal to experience pain. —  Analog, March 2002
  • When all the incoming streams of amoeba are almost completely incorporated into this erected cartridge-like form. —  National Review Online
  • Salmonella's ability to survive in amoeba is a huge advantage to its continued development as it may be more resistant to disinfectants and water treatment. —  FoodNavigator-USA RSS
 

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Etymologies (1)

Toggle American Heritage etymologies American Heritage Dictionary (1)

  1. New Latin, genus name, from Greek amoibē, change, from ameibein, to change; see mei-1 in Indo-European roots.
 

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