De or het aerostatica?

The correct Dutch article is:

de aerostatica

Rule Words ending in -ica: usually de. See the rule
Meaning (Dutch) (natuurkunde) leer van het evenwicht van gassen

How to use aerostatica

the aerostaticade aerostatica
this aerostaticadeze aerostatica
that aerostaticadie aerostatica
our aerostaticaonze aerostatica
your aerostaticajouw aerostatica
every aerostaticaelke aerostatica
which aerostatica?welke aerostatica?
a big aerostatica / the big aerostaticaeen grote aerostatica, de grote aerostatica

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