fieldwork
n. B2 Upper Intermediate US //ˈfiɫdˌwɝk// UK //fˈiːldwɜːk// field·work
n. the work you do in the open air or on a farm, rather than in an office or a lab. It usually involves physical activity and being outside.
n. work performed in the open air or in the field, as opposed to in an office or laboratory. Often refers to agricultural labor or research conducted in a natural environment.
He spent the summer doing fieldwork on a local farm.
The researcher spent several months on fieldwork to observe how the local community interacts with the wetlands.
While the initial data was gathered in the lab, the final results required extensive fieldwork to account for variables that cannot be replicated in a controlled environment.