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infusorian

[ in-fyoo-sawr-ee-uhn, -sohr- ]

noun

  1. any of the Infusoria.


adjective

infusorian

/ ˌɪnfjʊˈzɔːrɪən /

noun

  1. any of the microscopic organisms, such as protozoans and rotifers, found in infusions of organic material
  2. any member of the subclass Ciliata See ciliate
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


adjective

  1. of or relating to infusorians
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Derived Forms

  • ˌinfuˈsorial, adjective
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Word History and Origins

Origin of infusorian1

First recorded in 1855–60; Infusori(a) + -an
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Word History and Origins

Origin of infusorian1

C18: from New Latin Infusoria former class name; see infuse
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Example Sentences

This has been shown by the careful experiments of Maupas, who had observed 215 generations of an infusorian without sexual union.

The Infusorian can be called potentially immortal, because of this method of reproduction.

Now the single-celled Infusorian is in many respects comparable with the single-celled germ of the higher animals.

So far as we can see, therefore, everything that the infusorian feels at all, feels to him exactly like everything else.

In fact, the infusorian simply swallows whatever happens to hit his mouth.

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infusorial earthin futuro