geology

noun ge·ol·o·gy \ jē-ˈä-lə-jē \
Updated on: 10 Nov 2017

Definition of geology

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

play \jē-ˈä-lə-jist\ noun

Examples of geology in a Sentence

  1. learning about the geology of Hawaii

Recent Examples of geology from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'geology.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of geology

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


GEOLOGY Defined for English Language Learners

geology

noun

Definition of geology for English Language Learners

  • : a science that studies rocks, layers of soil, etc., in order to learn about the history of the Earth and its life

  • : the rocks, land, processes of land formation, etc., of a particular area


GEOLOGY Defined for Kids

geology

noun ge·ol·o·gy \ jē-ˈä-lə-jē \

Definition of geology for Students

1 :a science that deals with the history of the earth and its life especially as recorded in rocks
2 :the geologic features (as mountains or plains) of an area


Seen and Heard

What made you want to look up geology? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

to praise usually to excess

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Syn City

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!