Ras·​sen·​kreis | \ ˈräsᵊnˌkrīs \
plural Rassenkreise\ -​īzə \

Definition of Rassenkreis

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

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

History and Etymology for 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

Keep scrolling for more

Learn More about Rassenkreis

Statistics for Rassenkreis

Cite this Entry

“Rassenkreis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Rassenkreis. Accessed 24 Oct. 2020.

Comments on Rassenkreis

What made you want to look up Rassenkreis? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

Namesakes Word Quiz

  • a citrus fruit possibly named after a person
  • Which of the following is a fruit named after a Moroccan seaport?
Spell It

Can you spell these 10 commonly misspelled words?

Add Diction

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!