De or het synontologie?

The correct Dutch article is:

de synontologie

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

How to use synontologie

the synontologiede synontologie
this synontologiedeze synontologie
that synontologiedie synontologie
our synontologieonze synontologie
your synontologiejouw synontologie
every synontologieelke synontologie
which synontologie?welke synontologie?
a big synontologie / the big synontologieeen grote synontologie, de grote synontologie

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