Definition of deglaciation in English:


Line breaks: de|glaci|ation
Pronunciation: /ˌdiːgleɪsɪˈeɪʃ(ə)n


[mass noun] Geology
  • 1The disappearance of ice from a previously glaciated region: in the polar regions deglaciation has accompanied a slow, unsteady warming
    More example sentences
    • Glaciation and deglaciation of the continents are important mechanisms for changing the volume of water in ocean basins.
    • The effects of deglaciation on tropical regions are not fully understood, but ambient temperatures at equatorial latitudes were cooler by approximately 5C during the last glacial maximum.
    • Then the amount of snowfall tapers off during the next 200 years of deglaciation.
  • 1.1 [count noun] A period of geological time during which deglaciation takes place: the last deglaciation
    More example sentences
    • I know it's not as well understood - but what is the approximate time frame over which carbon dioxide values returned to normal after the catastrophic deglaciations in the late Precambrian?
    • The Younger Dryas Event is a climate reversal preceded and followed by abrupt warming during the deglaciation period about 11,000 years BP, according to the conventional chronology.
    • The difference between plant response to the Paelocene-Eocene warming and to the last deglaciation suggests that vegetation can't always respond quickly.

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