geology

noun

ge·​ol·​o·​gy jē-ˈä-lə-jē 

plural geologies

1

a

: a science that deals with the history of the earth and its life especially as recorded in rocks

b

: a study of the solid matter of a celestial body (such as the moon)

2

: geologic features

the geology of Arizona

3

: a treatise on geology

geologist

jē-ˈä-lə-jist 

noun

Examples of geology in a Sentence

learning about the geology of Hawaii

Recent Examples on the Web

The mountainous transportation corridor along Idaho 55 is an especially challenging area for building, given seismic activity and the geology of the region, State Geologist Claudio Berti told the Statesman. —Kevin Fixler, Idaho Statesman, 3 June 2024

The Friday afternoon field trip was the result of Northglenn High School geology teacher Kent Hups stumbling across dinosaur fossils about three years ago while out scouting. —Elizabeth Hernandez, The Denver Post, 1 June 2024

Still, despite her use of geology to identify the mountains behind the Mona Lisa, Pizzorusso’s claims have been met with both support and skepticism from those in the artistic community. —Lily Carey, Discover Magazine, 23 May 2024

More on Italy The Mystery of Mona Lisa’s Location: A mash-up of geology and art history has identified a likely setting for one of the world’s most famous paintings. —Elian Peltier Annika Hammerschlag, New York Times, 18 May 2024

Word History

Etymology

New Latin geologia, from ge- + -logia -logy

First Known Use

1735, in the meaning defined at sense 1a

Kids Definition

geology

noun

ge·​ol·​o·​gy jē-ˈäl-ə-jē 

plural geologies

1

a

: a science that deals with the history of the earth and its life especially as recorded in rocks

b

: a study of the features of a heavenly body (as the moon)

2

: the geologic features (as mountains or plains) of an area

geologic

ˌjē-ə-ˈläj-ik

adjective

or geological

-i-kəl

geologically

-i-k(ə-)lē

adverb

geologist

jē-ˈäl-ə-jəst 

noun