Infusoria
Americanplural noun
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protozoans of the phylum Ciliophora (or class Ciliata).
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(formerly) any of various microscopic organisms found in infusions of decaying organic matter.
Etymology
Origin of Infusoria
1780–90; < New Latin, neuter plural of infūsōrius. See infuse, -ory 1
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Carter, "On the ultimate structure of Spongilla, and additional notes on Freshwater Infusoria," Ann.
From Freshwater Sponges, Hydroids & Polyzoa by Annandale, Nelson
We owe to him the foundation and definition of the classes of Infusoria, Annelida, Arachnida, and Crustacea, the two latter groups being separated from the insects.
From Lamarck, the Founder of Evolution His Life and Work by Packard, A. S. (Alpheus Spring)
In Pritchard's "Infusoria," the views of those writers are followed who rank this animal amongst the Rotifers, and place it in the family Icthidina.
From Marvels of Pond-life A Year's Microscopic Recreations by Slack, Henry J.
The great class of the Protozoa furnish amoebae, members of Sporozoa and Infusoria.
From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" by Various
Thus the Infusoria, including the Ciliata and the Suctoria, are usually littoral in their habitat, living upon the shore-dwelling, or attached, water plants and upon the animals frequenting them.
From Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 by Calkins, Gary N. (Gary Nathan)
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
