Infusoria

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

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.

Word History and Origins

Origin of Infusoria¹

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

Example Sentences

See Infusoria. µ Many of the soÐcalled animalcules have been shown to be plants, having locomotive powers something like those of animals.

From Project Gutenberg

"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 Project Gutenberg

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

From Project Gutenberg

Haeckel73 also regards the Turbellaria as forming the nearest approach to the Infusoria.

From Project Gutenberg

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

From Project Gutenberg