This is the 6287th most frequent German word.
dominikanischen
"Dominikanischen" means "Dominican" (relating to the Dominican Republic or its people).
In this sentence, 'dominikanischen' is used as an adjective modifying 'Republik', specifying the location and origin of the subject.
Ich habe in der dominikanischen Republik meinen Urlaub verbracht.
I spent my vacation in the Dominican Republic.
Here, 'dominikanischen' serves as an adjective describing 'Kaffee', indicating the origin of the coffee.
Wir haben dominikanischen Kaffee gekauft, der bekannt für seine Qualität ist.
We bought Dominican coffee, known for its quality.
In this example, 'dominikanischen' is used as an adjective to describe 'Kultur', indicating the association with the Dominican Republic.