[ li-thol-uh-jee ]
/ lɪˈθɒl ə dʒi /


  1. (loosely) petrology.
  2. the physical characteristics of a rock or stratigraphic unit.
Medicine/Medical. the study of the formation, pathology, and treatment of stones in the human body.

Origin of lithology

First recorded in 1710–20; litho- + -logy

Related forms

lith·o·log·ic [lith-uh-loj-ik] /ˌlɪθ əˈlɒdʒ ɪk/, lith·o·log·i·cal, adjectivelith·o·log·i·cal·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for lithology

British Dictionary definitions for lithology


/ (lɪˈθɒlədʒɪ) /


the physical characteristics of a rock, including colour, composition, and texture
the study of rocks

Derived Forms

lithologic (ˌlɪθəˈlɒdʒɪk) or lithological, adjectivelithologically, adverblithologist, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for lithology


[ lĭ-thŏlə-jē ]

The scientific study and description of rocks, especially at the macroscopic level, in terms of their color, texture, and composition.
The gross physical character of a rock or rock formation.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.