infusorian infusorial • infusoriform · · · Info · Definitions · Characters · · infusorian · · Text Latin · · Script 10 · · Length Definitions · · · (noun) any member of the subclass Infusoria. · · Noun Definition 1 Characters · · a latin small letter a U+0061 f latin small letter f U+0066 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075