Infusoria

American  

[in-fyoo-sawr-ee-uh, -sohr-] / ˌɪn fyʊˈsɔr i ə, -ˈsoʊr- /

plural noun

1. protozoans of the phylum Ciliophora (or class Ciliata).

2. (formerly) any of various microscopic organisms found in infusions of decaying organic matter.

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Etymology

Origin of Infusoria

1780–90; < New Latin, neuter plural of infūsōrius. See infuse, -ory ¹

Example Sentences

"Infusoria" meant: "We expect you to act on this advice at once, and we cannot be responsible for expenditure beyond what is strictly necessary to wind up."

From Second String by Hope, Anthony

Ehrenberg treated it as a Rotifer, and Dujardin placed it among the Infusoria, in a particular class, comprehending symmetrical organisms.

From Marvels of Pond-life A Year's Microscopic Recreations by Slack, Henry J.

We know that the Infusoria, the polyps, and the Radiata only live in the water; that the worms even only live some in the water and others in very damp places.

From Lamarck, the Founder of Evolution His Life and Work by Packard, A. S. (Alpheus Spring)

Familiar examples of these “unicellular” forms are Bacteria and Diatoms among the plants, and Foraminifera and Infusoria among the animals.

From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 8 "Cube" to "Daguerre, Louis" by Various

It is to be expected, therefore, that in forms here considered there should be a preponderance of Infusoria.

From Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 by Calkins, Gary N. (Gary Nathan)