The Collaborative International Dictionary of English v.0.48:
Pullulation \Pul`lu*la"tion\, n. [Cf. F. pullulation.] A germinating, or budding. --Dr. H. More. [1913 Webster]WordNet (r) 3.0 (2006):
pullulation n 1: asexual reproduction in which a local growth on the surface or in the body of the parent becomes a separate individual [syn: pullulation, gemmation] 2: a rapid and abundant increase