Singular

der

Rubin

Q: Is it der, die, or das Rubin?

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

Q: What is the plural of der Rubin?

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

Q: What does der Rubin mean in English?

The German word der Rubin translates to “ruby” in English.

Q: How do you decline der Rubin?

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

ruby

Plural: die Rubine

Mixed

Why does the noun Rubin have the article der?

Most rocks and minerals are masculine.

Examples

der Granit (granite), der Diamant (diamond), der Quarz (quartz), der Marmor (marble), der Basalt (basalt), der Ton (clay), der Lehm (loam), der Sand (sand), der Kies (gravel)

Exceptions

die Kohle (coal), die Kreide (chalk), dasIte endings

View all words for this rule

Declension table for German noun Rubin

How it changes across the four cases.

Case	Definite	Indefinite	Negative
Nominativ	der Rubin	ein Rubin	kein Rubin
Akkusativ	den Rubin	einen Rubin	keinen Rubin
Dativ	dem Rubin	einem Rubin	keinem Rubin
Genitiv	des Rubins	eines Rubins	keines Rubins
Nominativ	die Rubine	Rubine	keine Rubine
Akkusativ	die Rubine	Rubine	keine Rubine
Dativ	den Rubinen	Rubinen	keinen Rubinen
Genitiv	der Rubine	Rubine	keiner Rubine

Examples in context

Real sentences using Rubin in different cases.

Case	Definite	Indefinite	Negative
Nominativ	Der rote Rubin ist schön.The red ruby is beautiful.	Ein roter Rubin ist teuer.A red ruby is expensive.	Kein roter Rubin ist hier.No red ruby is here.
Akkusativ	Ich sehe den roten Rubin.I see the red ruby.	Ich suche einen roten Rubin.I am looking for a red ruby.	Ich finde keinen roten Rubin.I find no red ruby.
Dativ	Er gibt dem roten Rubin Glanz.He gives the red ruby shine.	Er gibt einem roten Rubin Glanz.He gives a red ruby shine.	Er gibt keinem roten Rubin Glanz.He gives no red ruby shine.
Genitiv	Der Wert des roten Rubins ist hoch.The value of the red ruby is high.	Der Wert eines eines roten Rubins ist hoch.The value of a red ruby is high.	Der Wert keines keines roten Rubins ist hoch.The value of no red ruby is high.
Nominativ	Die roten Rubine sind wertvoll.The red rubies are valuable.	Schöne Rubine sind beliebt.Beautiful rubies are popular.	Keine roten Rubine sind hier.No red rubies are here.
Akkusativ	Wir kaufen die roten Rubine.We buy the red rubies.	Wir brauchen schöne Rubine.We need beautiful rubies.	Wir finden keine roten Rubine.We find no red rubies.
Dativ	Er hilft den roten Rubinen.He helps the red rubies.	Er hilft schönen Rubinen.He helps beautiful rubies.	Er hilft keinen roten Rubinen.He helps no red rubies.
Genitiv	Der Glanz der roten Rubine ist bekannt.The brilliance of the red rubies is known.	Der Glanz schöner Rubine ist bekannt.The brilliance of beautiful rubies is known.	Der Glanz keiner roten Rubine ist bekannt.The brilliance of no red rubies is known.

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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 Rubin?

It is der Rubin. In German, every noun has a grammatical gender, and Rubin 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 Rubin?

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

What does der Rubin mean in English?

The German word der Rubin translates to “ruby” in English.

How do you decline der Rubin?

Like all German nouns, Rubin changes its article depending on the case. In the singular, the forms are:

Nominativ: der Rubin
Akkusativ: den Rubin
Dativ: dem Rubin
Genitiv: des Rubins

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.