noun Ras·sen·kreis \ˈräsənˌkrīs\

Definition of Rassenkreis



  1. :  a polytypic species especially when exhibiting a pattern of geographical replacement of one type by another

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Origin and Etymology of rassenkreis

borrowed from German, from Rassen-, variant in compounds of Rasse “race, population” (borrowed from French race, going back to Middle French, “group of people with a common ancestor”) + Kreis “circle, ring,” after earlier Formenkreis Formenkreis — more at Artenkreis, 7race

Seen and Heard

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a rounded knoll or a ridge of ice

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