Animalculum
Pronunciation : An`i*mal"cu*lum
Part of Speech : n.; pl. Animalcula.
Etymology : [NL. See Animalcule.]
Definition : Defn: An animalcule.
Note: Animalcul?, as if from a Latin singular animalcula, is a barbarism.
Source : Webster's Unabridged Dictionary, 1913