This is the 955th most frequent Indonesian word.
penelitian
Research.
Here, 'penelitian' is used as a noun to denote a specific study or research project.
Penelitian ini memberikan wawasan baru tentang biologi laut.
This research provides new insights into marine biology.
In this sentence, 'penelitian' is the object of the verb 'melakukan', representing the act of conducting research.
Dia sedang melakukan penelitian di laboratorium.
She is conducting research in the laboratory.
Here, 'penelitian' signifies the study whose results are being reported.