noun
usually as modifier1Geology
The final Pleistocene glaciation in northern Europe, corresponding to the Devensian of Britain (and possibly the Würm of the Alps).- ‘Skjaldbreithur and the vast lava field which surrounds it were formed some nine to ten thousand years ago, after the retreat of the last great ice-age glacier (Weichsel).’
- 1.1The system of deposits laid down at the time of the Weichsel glaciation.
Origin
1930s from the German name of the River Vistula in Poland.
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