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.

Nearby words

  1. lithography,
  2. lithoid,
  3. lithol.,
  4. litholapaxy,
  5. lithologic,
  6. litholysis,
  7. litholytic,
  8. lithomarge,
  9. lithometeor,
  10. lithonephritis

Origin of lithology

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

Related formslith·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



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

Word Origin and History for lithology



study of rock-formation, 1716, from Modern Latin lithologia, from litho- + -logia (see -logy).

Online Etymology Dictionary, © 2010 Douglas Harper

Science definitions for lithology



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.