De or het termijnplanning?

The correct Dutch article is:

de termijnplanning

  • Plural: de termijnplanningen
Rule Words ending in -ing: almost always de. See the rule
Meaning (Dutch) het plannen in termijnen

How to use termijnplanning

the termijnplanningde termijnplanning
this termijnplanningdeze termijnplanning
that termijnplanningdie termijnplanning
our termijnplanningonze termijnplanning
your termijnplanningjouw termijnplanning
every termijnplanningelke termijnplanning
which termijnplanning?welke termijnplanning?
a big termijnplanning / the big termijnplanningeen grote termijnplanning, de grote termijnplanning
the termijnplanning (plural)de termijnplanningen, deze termijnplanningen

Dutch words ending in termijnplanning

langetermijnplanning

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).