geologist
Americannoun
Etymology
Origin of geologist
Explanation
If you’re fascinated by rocks and spend hours digging for interesting samples in the backyard, you might be a budding geologist, a scientist who studies all things related to the Earth. A geologist is an expert in the field of geology, the study of what the Earth is made of and how it was formed. The woman on TV explaining the history of an active volcano that’s ready to erupt? She’s probably a geologist who specializes in volcanoes. Geologists can specialize in many different aspects of the field, ranging from earthquakes to soil erosion. What they all have in common is that they’re trying to figure out how the Earth works.
Vocabulary lists containing geologist
Occupations
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Earth Science - Middle School
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The Origins of Civilization, Lessons 1–2
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Toby and Daniel Rice are both Rice Investment operating partners, while their brothers Derek, a geologist, and Ryan, a petroleum reservoir engineer, work on the firm’s technical and administrative team, according to the presentation.
From The Wall Street Journal • Apr. 27, 2026
Grace, 67, a retired geologist, has lived on the edge of Abercarn for more than 20 years, where housing gives way to open moorland.
From BBC • Apr. 19, 2026
Two of the men are engineers and one is a geologist, according to local media.
From Barron's • Feb. 9, 2026
To find out whether these policy changes truly reduced lead exposure in people, Smith worked with geologist Diego Fernandez and Cerling.
From Science Daily • Feb. 7, 2026
Their oldest sister, Mary, was already married to a new friend of his, Charles Lyell, a prominent geologist.
From "Charles and Emma: The Darwins' Leap of Faith" by Deborah Heiligman
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.