Why does the noun Sektor have the article der?

Nouns ending in -or are mostly masculine. Look at the bolded -or in the noun above — that suffix is the giveaway.

Examples

der Motor (motor), der Autor (author), der Faktor (factor), der Doktor (doctor), der Professor (professor), der Direktor (director), der Sponsor (sponsor)

Exceptions

das Labor (laboratory), das Tor (gate), das Fluor (fluorine), das Chlor (chlorine), das Dekor (decoration)

Declension table for German noun Sektor

How it changes across the four cases.

CaseDefiniteIndefiniteNegative
Nominativder Sektorein Sektorkein Sektor
Akkusativden Sektoreinen Sektorkeinen Sektor
Dativdem Sektoreinem Sektorkeinem Sektor
Genitivdes Sektorseines Sektorskeines Sektors

Examples in context

Real sentences using Sektor in different cases.

CaseDefiniteIndefiniteNegative
Nominativ
Der neue Sektor wächst schnell.The new sector is growing fast.
Ein wichtiger Sektor ist wichtig.An important sector is crucial.
Kein alter Sektor ist stabil.No old sector is stable.
Akkusativ
Wir sehen den neuen Sektor.We see the new sector.
Ich suche einen wichtigen Sektor.I am looking for an important sector.
Er findet keinen stabilen Sektor.He finds no stable sector.
Dativ
Er arbeitet in dem neuen Sektor.He works in the new sector.
Ich helfe einem wichtigen Sektor.I help an important sector.
Sie gehört keinem alten Sektor.She belongs to no old sector.
Genitiv
Die Zukunft des neuen Sektors ist ungewiss.The future of the new sector is uncertain.
Die Entwicklung eines eines wichtigen Sektors ist langsam.The development of an important sector is slow.
Der Erfolg keines keines alten Sektors ist garantiert.The success of no old sector is guaranteed.

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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 Sektor?

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

What CEFR level is the word Sektor?

The German noun Sektor is categorized as Upper-Intermediate (B2) vocabulary. It is considered an essential word for learners at this level.

What is the plural of der Sektor?

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

What does der Sektor mean in English?

The German word der Sektor translates to “sector” in English.

How do you decline der Sektor?

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

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.