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[in-fyoo-sawr-ee-uh l, -sohr-] /ˌɪn fyʊˈsɔr i əl, -ˈsoʊr-/
pertaining to, containing, or consisting of infusorians:
infusorial earth.
Origin of infusorial
First recorded in 1840-50; Infusori(a) + -al1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for infusorial
Historical Examples
  • But many naturalists insist that the colouring matter proceeds from an infusorial animalcule, the green-coloured Vibrion.

    The Ocean World: Louis Figuier
  • Then infusorial earth was added, to make the compound porous in texture.

  • The physiologist Mller has noted another peculiarity in infusorial life.

    The Ocean World: Louis Figuier
  • The Monads are other infusorial animalcules which make an early appearance in vegetable infusions.

    The Ocean World: Louis Figuier
  • "Frankoline," a mixture of cuprous and ferric chlorides dissolved in strong hydrochloric acid absorbed in infusorial earth.

  • Three days' exposure to the dusty air suffices to render them muddy, fetid, and swarming with infusorial life.

  • From May to August this process was continued without any development of infusorial life.

  • The organic world (like the world as a whole) arises out of a primitive chaos, namely, the infusorial slime.

  • On the 24th of April, 1676, this observer saw for the first time some infusorial animalcules.

    The Ocean World: Louis Figuier
  • Nobel, however, had discovered that when nitroglycerin was absorbed in infusorial earth, it was rendered much less sensitive.

    Dynamite Stories Hudson Maxim

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