geoscientist
nounUK /ˌdʒiːəʊˈsaɪəntɪst/
US /ˌdʒiːoʊˈsaɪəntɪst/
A geoscientist is a scientist who studies the Earth, like rocks, land, and oceans.
The geoscientist collected rock samples from the mountain to learn about its history.
OTHER MEANINGS
2. A person who studies the solid parts of planets, not just Earth.
The geoscientist studied images of Mars to understand its rocky surface.
3. An expert who uses science to find oil, gas, or minerals underground.
The company hired a geoscientist to help locate underground water.
4. A researcher who studies earthquakes and volcanoes.
The geoscientist warned the town about the active volcano nearby.