Why does the noun Schaumstoff have the article der?

This noun follows no general suffix rule — its gender is part of the core vocabulary you simply learn alongside the word.

Declension table for German noun Schaumstoff

How it changes across the four cases.

CaseDefiniteIndefiniteNegative
Nominativder Schaumstoffein Schaumstoffkein Schaumstoff
Akkusativden Schaumstoffeinen Schaumstoffkeinen Schaumstoff
Dativdem Schaumstoffeinem Schaumstoffkeinem Schaumstoff
Genitivdes Schaumstoffeseines Schaumstoffeskeines Schaumstoffes

Examples in context

Real sentences using Schaumstoff in different cases.

CaseDefiniteIndefiniteNegative
Nominativ
Der weiche Schaumstoff ist neu.The soft foam is new.
Ein weicher Schaumstoff liegt hier.A soft foam is lying here.
Kein weicher Schaumstoff ist da.No soft foam is there.
Akkusativ
Ich sehe den weichen Schaumstoff.I see the soft foam.
Ich brauche einen weichen Schaumstoff.I need a soft foam.
Ich habe keinen weichen Schaumstoff.I have no soft foam.
Dativ
Ich sitze auf dem weichen Schaumstoff.I sit on the soft foam.
Ich arbeite mit einem weichen Schaumstoff.I work with a soft foam.
Ich arbeite mit keinem weichen Schaumstoff.I work with no soft foam.
Genitiv
Die Farbe des weichen Schaumstoffes ist hell.The color of the soft foam is light.
Die Farbe eines weichen Schaumstoffes ist hell.The color of a soft foam is light.
Die Farbe keines weichen Schaumstoffes ist hell.The color of no soft foam is light.

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Frequently asked questions

Everything you might wonder about der, die, das — and the Der Artikel app.

Is it der, die, or das Schaumstoff?

It is der Schaumstoff. In German, every noun has a grammatical gender, and Schaumstoff is masculine. You should always learn the article together with the noun to ensure your German grammar is correct.

What is the plural of der Schaumstoff?

The plural form of der Schaumstoff is die Schaumstoffe. In German, regardless of the singular gender, all plural nouns use the definite article “die.”

What does der Schaumstoff mean in English?

The German word der Schaumstoff translates to “foam rubber” in English.

How do you decline der Schaumstoff?

Like all German nouns, Schaumstoff changes its article depending on the case. In the singular, the forms are:
  • Nominativ: der Schaumstoff
  • Akkusativ: den Schaumstoff
  • Dativ: dem Schaumstoff
  • Genitiv: des Schaumstoffes

These changes are necessary because German uses cases to indicate the noun’s role in a sentence (such as the subject or object). Knowing these forms allows you to build grammatically correct sentences.