[in.fu.so.ri.an] n [ultim. fr. L infusus] (1859): any of a heterogeneous group of minute organisms found esp. in decomposing infusions of organic matter; esp: a ciliated protozoan -- infusorian adj
INFUSORIAN
Meaning of INFUSORIAN in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012