This is the 10016th most frequent Polish word.
bakteryjne
"Bakteryjne" means "bacterial" in English.
The word 'bakteryjne' functions as an adjective describing the type of infections.
Infekcje bakteryjne są leczone antybiotykami.
Bacterial infections are treated with antibiotics.
Here, 'bakteryjne' describes 'ślady', indicating they are of bacterial nature.
Na powierzchni znaleziono ślady bakteryjne.
Bacterial traces were found on the surface.
The word 'bakteryjne' specifies that the organisms mentioned are of bacterial origin.