Longman Dictionary of Contemporary English homepage

Date: 1700-1800
Language: Modern Latin
Origin: geologia, from Greek ge ( GEO-) + -logia ( -LOGY%)

geology

 noun
     
Related topics: Geology, Geology
ge‧ol‧o‧gy [uncountable]
the study of the rocks, soil etc that make up the Earth, and of the way they have changed since the Earth was formed
—geologist noun [countable]
—geological adjective
—geologically adverb
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

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