De or het seincode?

The correct Dutch article is:

de seincode

  • Plural: de seincodes
Rule Words ending in -ode: always de. See the rule
Meaning (Dutch) stelsel van seinen of seintekens

How to use seincode

the seincodede seincode
this seincodedeze seincode
that seincodedie seincode
our seincodeonze seincode
your seincodejouw seincode
every seincodeelke seincode
which seincode?welke seincode?
a big seincode / the big seincodeeen grote seincode, de grote seincode
the seincode (plural)de seincodes, deze seincodes

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