geologist
/dʒɪˈɒlədʒɪst
/noun
An expert in or student of geology: geologists have discovered sediments which contain fossilized single-celled organisms...
- Geologists say the fields off the island contain 480 billion cubic meters of gas.
- He is the geologist who has most eloquently laid out the argument for higher oil prices.
- Those were the words of pioneering geologist John Wesley Powell, who led the first expedition through the Grand Canyon in 1873.
