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Meaning of neoglaciation

ne•o•gla•ci•a•tion

Pronunciation: (nē"ō-glā"shē-ā'shun, -sē-), [key]
— n. Geol.
  1. a phase of renewed glaciation associated with a readvance of ice sheets between the postglacial phase and the present.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.