Why is it die Rotation?
Rotation ends in -ion, and almost all nouns ending in -ion are feminine: in a German dictionary, 94% of them take die.
All nouns ending in -ion die
Examples
Declension
| 1 | Singular | Plural |
|---|---|---|
| Nominativ | die Rotation | die Rotationen |
| Genitiv | der Rotation | der Rotationen |
| Dativ | der Rotation | den Rotationen |
| Akkusativ | die Rotation | die Rotationen |
Pronunciation
Dictionary entries include material from Wiktionary. Wiktionary