De or het rosarium?

The correct Dutch article is:

het rosarium

  • Plural: de rosariums
  • Diminutive: het rosariumpje
Rule Words ending in -um and -ium: usually het. See the rule
Meaning (Dutch) rozentuin, rozenkwekerij

How to use rosarium

the rosariumhet rosarium
this rosariumdit rosarium
that rosariumdat rosarium
our rosariumons rosarium
your rosariumjouw rosarium
every rosariumelk rosarium
which rosarium?welk rosarium?
a big rosarium / the big rosariumeen groot rosarium, het grote rosarium
the rosarium (plural)de rosariums, deze rosariums

Dutch words ending in rosarium

leprosarium

In compound words, the last part decides the article. See the rule

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