De or het carcinologie?

The correct Dutch article is:

de carcinologie

Rule Words ending in -logie: always de. See the rule
Meaning (Dutch) (medisch) de wetenschap die de ontwikkeling, diagnostiek en behandeling van kankers onderzoekt

How to use carcinologie

the carcinologiede carcinologie
this carcinologiedeze carcinologie
that carcinologiedie carcinologie
our carcinologieonze carcinologie
your carcinologiejouw carcinologie
every carcinologieelke carcinologie
which carcinologie?welke carcinologie?
a big carcinologie / the big carcinologieeen grote carcinologie, de grote carcinologie

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