\An`i*mal"cu*lism\, n. [Cf. F. animalculisme.]
(Biol.)
The theory which seeks to explain certain physiological and
pathological phenomena by means of animalcules.

\An`i*mal"cu*lism\, n. (Biol.)
The theory that the spermatozo["o]n and not the ovum contains
the whole of the embryo; spermatism; -- opposed to {ovism}.