animalcule Meaning, Definition & Usage

  1. noun microscopic organism such as an amoeba or paramecium
    animalculum.

WordNet


An`i*mal"cule noun
Etymology
As if fr. a L. animalculum, dim. of animal.
Definitions
  1. A small animal, as a fly, spider, etc. Obs. Ray.
  2. (Zoöl.) An animal, invisible, or nearly so, to the naked eye. See Infusoria. ✍ Many of the so-called animalcules have been shown to be plants, having locomotive powers something like those of animals. Among these are Volvox, the Desmidiacæ, and the siliceous Diatomaceæ.

Webster 1913