infusorian

noun in·fu·so·ri·an \-ē-ən\

Definition of INFUSORIAN

: any of a heterogeneous group of minute organisms found especially in water with decomposing organic matter; especially : a ciliated protozoan

— infusorian adjective

ultimately from Latin infusus

First Known Use: 1859

Medical Dictionary

noun in·fu·so·ri·an \-ē-ən\

: any of a heterogeneous group of minute organisms found especially in water with decomposing organic matter; especially : a ciliated protozoan

—infusorian adjective

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