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infusorian

[in-fyoo-sawr-ee-uh n, -sohr-] /ˌɪn fyʊˈsɔr i ən, -ˈsoʊr-/
noun
1.
any of the Infusoria.
adjective
Origin
1855-1860
1855-60; Infusori(a) + -an
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for infusorians

infusorian

/ˌɪnfjʊˈzɔːrɪən/
noun (obsolete)
1.
any of the microscopic organisms, such as protozoans and rotifers, found in infusions of organic material
2.
any member of the subclass Ciliata See ciliate (sense 3)
adjective
3.
of or relating to infusorians
Derived Forms
infusorial, adjective
Word Origin
C18: from New Latin Infusoria former class name; see infuse
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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