Infusoria

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

protozoans of the phylum Ciliophora (or class Ciliata).
(formerly) any of various microscopic organisms found in infusions of decaying organic matter.

Origin of Infusoria

1780–90; < New Latin, neuter plural of infūsōrius. See infuse, -ory1

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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