verb (used without object), pul·lu·lat·ed, pul·lu·lat·ing.

to send forth sprouts, buds, etc.; germinate; sprout.
to breed, produce, or create rapidly.
to increase rapidly; multiply.
to exist abundantly; swarm; teem.
to be produced as offspring.

Origin of pullulate

1610–20; < Latin pullulātus (past participle of pullulāre to sprout), derivative of pullulus a sprout, young animal, diminutive of pullus; see pullet
Related formspul·lu·la·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for pullulate


verb (intr)

(of animals, etc) to breed rapidly or abundantly; teem; swarm
(of plants or plant parts) to sprout, bud, or germinate
Derived Formspullulation, noun

Word Origin for pullulate

C17: from Latin pullulāre to sprout, from pullulus a baby animal, from pullus young animal
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for pullulate

1610s, from Latin pullulatus, past participle of pullulare "put forth, grow, sprout, shoot up, come forth," from pullulus, diminutive of pullus "young animal" (see foal (n.)). Related: Pullulated; pullulating.

Online Etymology Dictionary, © 2010 Douglas Harper