De or het chirologie?

The correct Dutch article is:

de chirologie

Rule Words ending in -logie: always de. See the rule
Meaning (Dutch) vingertaal van doofstommen

How to use chirologie

the chirologiede chirologie
this chirologiedeze chirologie
that chirologiedie chirologie
our chirologieonze chirologie
your chirologiejouw chirologie
every chirologieelke chirologie
which chirologie?welke chirologie?
a big chirologie / the big chirologieeen grote chirologie, de grote chirologie

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