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Riss

noun \ ˈris \

Definition of Riss

plural -es

:the third stage of Pleistocene glaciation in Europe

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Origin and Etymology of riss

from the Riss river, tributary of the Danube in southwestern Germany

2

Riss

adjective \ " \

variants: or Rissian \-sēən\

Definition of Riss

:of or relating to the Riss glaciation

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