De or het catalepsie?

The correct Dutch article is:

de catalepsie

Rule Words ending in -tie and -sie: almost always de. See the rule
Meaning (Dutch) (medisch) toestand van spierverstijving

How to use catalepsie

the catalepsiede catalepsie
this catalepsiedeze catalepsie
that catalepsiedie catalepsie
our catalepsieonze catalepsie
your catalepsiejouw catalepsie
every catalepsieelke catalepsie
which catalepsie?welke catalepsie?
a big catalepsie / the big catalepsieeen grote catalepsie, de grote catalepsie

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