Declension of the word "ikosaeder"

Singular and plural for Ikosaeder, n, strong declension     translation to English icosahedron

Singular
Plural
Singular
Nominativ (Wer? Was?)
das Ikosaeder
die Ikosaeder
Genitiv (Wessen?)
des Ikosaeders
der Ikosaeder
Dativ (Wem?)
dem Ikosaeder
den Ikosaedern
Akkusativ (Wen? Was?)
das Ikosaeder
die Ikosaeder
Plural
die Ikosaeder
der Ikosaeder
den Ikosaedern
die Ikosaeder
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