De or het conchyliologie?

The correct Dutch article is:

de conchyliologie

Rule Words ending in -logie: always de. See the rule
Meaning (Dutch) leer der schelpen

How to use conchyliologie

the conchyliologiede conchyliologie
this conchyliologiedeze conchyliologie
that conchyliologiedie conchyliologie
our conchyliologieonze conchyliologie
your conchyliologiejouw conchyliologie
every conchyliologieelke conchyliologie
which conchyliologie?welke conchyliologie?
a big conchyliologie / the big conchyliologieeen grote conchyliologie, de grote conchyliologie

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