This is the 10903rd most frequent Polish word.
eksperymentalnego
"Experimental."
The word "eksperymentalnego" describes the approach as being experimental, which is its characteristic.
Projekt wymagał zastosowania podejścia eksperymentalnego.
The project required the use of an experimental approach.
The word "eksperymentalnego" specifies the study as experimental, distinguishing its nature from other types of studies.
Otrzymaliśmy dane z eksperymentalnego badania przeprowadzonego w ubiegłym roku.
We received data from an experimental study conducted last year.
Here, "eksperymentalnego" classifies the device as experimental, indicating its testing or unproven status.