De or het vocaal?

The correct Dutch article is:

de vocaal

  • English: vowel
  • Plural: de vocalen
Meaning (Dutch) (taalkunde) klinker

How to use vocaal

the vowelde vocaal
this voweldeze vocaal
that voweldie vocaal
our vowelonze vocaal
your voweljouw vocaal
every vowelelke vocaal
which vowel?welke vocaal?
a big vowel / the big voweleen grote vocaal, de grote vocaal
the vowel (plural)de vocalen, deze vocalen

Dutch words ending in vocaal

halfvocaal

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).