Riss

noun
\ ˈris \
plural -es

Definition of Riss

 (Entry 1 of 2)

: the third stage of Pleistocene glaciation in Europe
\ " \
variants: or Rissian \ -​sēən \

Definition of Riss (Entry 2 of 2)

: of or relating to the Riss glaciation

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History and Etymology for Riss

Noun

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

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Cite this Entry

“Riss.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/Riss. Accessed 26 January 2020.

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