noun

geologist

jee-O-luhd-zhihst

noun

A scientist who studies the structure, history, and processes of the earth.

"The geologist examined the rock samples for signs of ancient volcanic activity."

How to Use Geologist

Learner’s notes

In plain EnglishSomeone whose job is studying rocks and the earth's structure.

geologists plural

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The _____ examined the rock samples for signs of ancient volcanic activity.

From geology plus the agent suffix -ist.

zoologist biologist urologist oncologist radiologist neurologist pathologist psychologist cardiologist gynecologist entomologist proctologist