Why is it der Isolator?
Isolator ends in -or, and almost all nouns ending in -or are masculine: in a German dictionary, 93% of them take der.
All nouns ending in -or der
Meaning
[1] Physics: Insulating materials material that (electricity or heat) does not lead
[1] Physik: isolierendes Material; Material, das (Elektrizität oder Wärme) nicht leitet[2] Electrical engineering: Electrically insulating component
[2] Elektrotechnik: elektrisch isolierendes BauteilExamples
[1] Porcelain is a good isolator
[1] Porzellan ist ein guter Isolator.
[1] quartz glass is also an insulator at significantly higher temperatures
[1] Quarzglas ist auch noch bei deutlich höheren Temperaturen ein Isolator.
More source examples (1)
These dictionary examples can include historical and less common uses.
[2] Expanding lines are hung on isolators
[2] Freileitungen sind an Isolatoren aufgehängt.
Declension
| 1 | Singular | Plural |
|---|---|---|
| Nominativ | der Isolator | die Isolatoren |
| Genitiv | des Isolators | der Isolatoren |
| Dativ | dem Isolator | den Isolatoren |
| Akkusativ | den Isolator | die Isolatoren |
Pronunciation
In context
![[2] Isolatoren an einer Freileitung](https://commons.wikimedia.org/wiki/File:Isolators_on_pylon.jpg)
Dictionary entries include material from Wiktionary. Wiktionary