This is the 17524th most frequent Polish word.
zbadana
"Zbadana" means "examined" or "investigated" in English.
Here, 'zbadana' is used as a past participle of the verb 'zbadać', meaning 'to investigate', used in a passive voice to indicate that the truth has been examined.
Prawda została dogłębnie zbadana przez naukowców.
The truth was thoroughly investigated by scientists.
In this case, 'zbadana' describes the noun 'gleba', indicating that the soil has already undergone examination.
Zbadana gleba dowiodła swojej wartości dla rolnictwa.
The analyzed soil proved its value for agriculture.
Here, 'zbadana' is used to express that the subject, the patient (female), has been examined by someone, emphasizing the completion of this action.