German edit

 
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Etymology edit

From Einheit +‎ -s- +‎ Kreis.

Pronunciation edit

  • IPA(key): /ˈaɪ̯n.haɪ̯tsˌkraɪ̯s/
  • (file)

Noun edit

Einheitskreis m (strong, genitive Einheitskreises, plural Einheitskreise)

  1. (trigonometry) unit circle