IPA: /ˌdʒiːəˈfɪzɪkəl/
KK: /dʒiˈoʊfɪzɪkəl/
Relating to the study of the Earth's physical properties and processes, including its shape, gravity field, magnetic field, and internal heat.
The geophysical survey revealed important information about the underground water sources.
Geophysical → It is formed from "geo-" (from Greek "gē", meaning earth) and "physical" (from Greek "physikos", meaning natural or pertaining to nature). The word "geophysical" refers to the physical processes and properties of the Earth.
Think of 'geo-' meaning 'earth' and 'physical' relating to 'nature' — together they describe the natural processes of the Earth.