infusorian

American

[in-fyoo-sawr-ee-uhn, -sohr-] / ˌɪn fyʊˈsɔr i ən, -ˈsoʊr- /

noun

any of the Infusoria.

adjective

infusorial.

infusorian British

/ ˌɪnfjʊˈzɔːrɪən /

noun

any of the microscopic organisms, such as protozoans and rotifers, found in infusions of organic material
any member of the subclass Ciliata See ciliate

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adjective

of or relating to infusorians

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Derived Forms

infusorial

adjective

Etymology

Origin of infusorian

First recorded in 1855–60; Infusori(a) + -an

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023