American Heritage Dictionary
Century Dictionary
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Elsewhere on the web
I like pullulation; everything ought to increase and multiply as hard as it can. "— Crome Yellow
The one chiefly noticed by contemporaries was the pullulation of new sects.— The Age of the Reformation
_Tyndaridea, _ but, after a time, little swellings occur on their sides, in which a distinct endochrome is formed, extending backwards into the parent endochrome, separated from it by a well defined membrane, and producing, either by repeated pullulation, a compound mass like that of _Calothrix, _ or simply giving rise to a forked thread.— Himalayan Journals — Complete
Another glacial period or an overwhelming catastrophe of cosmic origin may fortunately, at some distant epoch, check the blind process of destruction of natural things and the insane pullulation of humanity.— More Science From an Easy Chair
The extension of the old vessels seems rather a consequence than a cause of the germination, or pullulation, of these new ones; for the old vessels may be enlarged, and excited with unusual energy, without any production of new ones, as in the blush of shame or of anger.— Zoonomia, Vol. II Or, the Laws of Organic Life

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