Noun infusoria has 1 sense
  1. Infusoria, subclass Infusoria - in some recent classifications, coextensive with the Ciliata: minute organisms found in decomposing infusions of organic matter
    --1 is a kind of class
    --1 is a member of Ciliata, class Ciliata, Ciliophora, class Ciliophora
    --1 has members: infusorian
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