• Webster's Revised Unabridged Dictionary
    • a Infusory (Zoöl) Infusorial.
    • n Infusory (Zoöl) One of the Infusoria; -- usually in the pl.
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Century Dictionary and Cyclopedia
    • infusory Infusorial, as an animalcule, or as earth containing infusorial shells.
    • n infusory pl. infusories (-riz). An infusorian.
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Chambers's Twentieth Century Dictionary
    • adjs Infusory composed of or containing infusoria
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Chambers's Twentieth Century Dictionary


In literature:

Take some of the infusorial animals.
"Recreations in Astronomy" by Henry Warren
Sixth, the use of infusorial silica for drying purposes.
"Scientific American, Volume XXXVI., No. 8, February 24, 1877" by Various
For the final polishing, a little infusorial earth or even kaolin will do.
"Laboratory Manual of Glass-Blowing" by Francis C. Frary
"Notes and Queries, Number 217, December 24, 1853" by Various
Blood-like waters are sometimes produced by a rapid evolution of infusorial animalcules.
"The Romance of Natural History, Second Series" by Philip Henry Gosse
Infusorial tuff, Pompeii, 388.
"Principles of Geology" by Charles Lyell
Another is known as "phospho-gelose," which is a combination of dicalcium phosphate Ca2H2(PO4)2 and infusorial silica.
"The Philippine Agricultural Review" by Various
The organic world (like the world as a whole) arises out of a primitive chaos, namely, the infusorial slime.
"Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 1" by Various
Such researches might unfold some unexpected laws in the succession of infusorial life.
"Marvels of Pond-life" by Henry J. Slack
In the manufacture of the explosive known as dynamite, an infusorial earth is used, which is filled with or made to absorb nitroglycerin.
"Scientific American, Vol. XXXVII.--No. 2. [New Series.], July 14, 1877" by Various