De or het crenologie?

The correct Dutch article is:

de crenologie

Rule Words ending in -logie: always de. See the rule
Meaning (Dutch) (letterkunde) letterkundig bronnenonderzoek

How to use crenologie

the crenologiede crenologie
this crenologiedeze crenologie
that crenologiedie crenologie
our crenologieonze crenologie
your crenologiejouw crenologie
every crenologieelke crenologie
which crenologie?welke crenologie?
a big crenologie / the big crenologieeen grote crenologie, de grote crenologie

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