De or het geostatica?

The correct Dutch article is:

de geostatica

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

How to use geostatica

the geostaticade geostatica
this geostaticadeze geostatica
that geostaticadie geostatica
our geostaticaonze geostatica
your geostaticajouw geostatica
every geostaticaelke geostatica
which geostatica?welke geostatica?
a big geostatica / the big geostaticaeen grote geostatica, de grote geostatica

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