Definition of glaciation in English:

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Pronunciation: /ˌɡlāSHēˈāSH(ə)n/


1The process, condition, or result of being covered by glaciers or ice sheets.
Example sentences
  • These hydrogeological conditions are controlled by relative land and sea level, erosion and deposition, the cold climate processes of permafrost and glaciation, and rock stress changes.
  • In Illinois, levels of diversity drop precipitously, most likely reflecting one or more genetic bottlenecks in areas that were once covered by the Wisconsin glaciation.
  • Geologically young, the Rockies exhibit faulting, glaciation, and volcanism, resulting in rugged, spectacularly scenic terrain.
1.1A glacial period.
Example sentences
  • Their study by others led to the discovery of multiple glaciations, separated by interglacial periods.
  • No polar glaciations are known during the Late Permian.
  • Minor glaciations may also have taken place in the earlier Ordovician early Silurian and late Devonian.

For editors and proofreaders

Syllabification: gla·ci·a·tion

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