De or het urinering?

The correct Dutch article is:

de urinering

Rule Words ending in -ing: almost always de. See the rule
Meaning (Dutch) het urineren

How to use urinering

the urineringde urinering
this urineringdeze urinering
that urineringdie urinering
our urineringonze urinering
your urineringjouw urinering
every urineringelke urinering
which urinering?welke urinering?
a big urinering / the big urineringeen grote urinering, de grote urinering

Meaning, plural, diminutive, pronunciation and translations: WikiWoordenboek (Dutch Wiktionary) (CC BY-SA 4.0). Example sentences: Tatoeba (CC BY 2.0 FR).