li·​thol·​o·​gy li-ˈthä-lə-jē How to pronounce lithology (audio)
plural lithologies
: the study of rocks
: the character of a rock formation
also : a rock formation having a particular set of characteristics
lithologic adjective
or lithological
lithologically adverb

Examples of lithology in a Sentence

Recent Examples on the Web Start at the visitor center, where experts share knowledge about the area’s geology and lithology. Josh Laskin, Travel + Leisure, 1 Sep. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'lithology.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


litho- + -logy, probably after New Latin lithologia or French lithologie

First Known Use

1716, in the meaning defined at sense 1

Time Traveler
The first known use of lithology was in 1716

Dictionary Entries Near lithology

Cite this Entry

“Lithology.” Dictionary, Merriam-Webster, Accessed 24 Jun. 2024.

Kids Definition


li·​thol·​o·​gy lith-ˈäl-ə-jē How to pronounce lithology (audio)
: the study of rocks
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