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Riss-Würm

noun
\ˈriˈs|wərm, |wu̇(ə)rm, |vi(ə)rm, G |vᵫrm\
plural -s

Definition of Riss-Würm 

: the third interglacial interval during the Pleistocene glaciation of Europe

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History and Etymology for Riss-Würm

from the Riss river, a tributary of the Danube in southwestern Germany, and the Würm, a small stream of southern Bavaria, Germany

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