Rapid increase

WordNet Word definitions in WordNet
n. asexual reproduction in which a local growth on the surface or in the body of the parent becomes a separate individual [syn: gemmation ] a rapid and abundant increase

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
1640s, noun of action from pullulate .\n

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Pullulation \Pul`lu*la"tion\, n. [Cf. F. pullulation.] A germinating, or budding. --Dr. H. More.

Wiktionary Word definitions in Wiktionary
n. A teeming, swarming, or multiplying.