Definition of "glaciations" [glaciations]

• Plural form of glaciation. (noun)

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• "They clearly show the floors to the many different seas and its life forms, to tens of millions of years of mountain building and millions of years of wind and water erosion, glaciations and, finally, deglaciation."
• "I'll add that most prior glaciations and interstadials have been linked to known causes -- orbital mechanics (Milamkovic cycles), continental drift, and major biotic events (terrestrial vegetation did alot to reduce the amount of atmospheric CO2 one darned long time ago)."
• "Overall, endemism is quite high in this hotspot because of extensive speciation among several groups of plants, most notably the epiphytes, suggesting that the region was the location of plant refugia during Pleistocene glaciations."