experimentation

US /ɪkˌsper.ə.menˈteɪ.ʃən/
UK /ɪkˌsper.ə.menˈteɪ.ʃən/
1.

sự thí nghiệm

the process of performing a scientific procedure, especially in a laboratory, to determine something.

:
experimentation on the brain and the nerves