pertaining to or consisting of stone.
Petrology. pertaining to clastic rocks, either sedimentary or volcanic, containing a large proportion of debris from previously formed rocks: a lithic sandstone; lithic tuff.
Pathology. pertaining to stony concretions, or calculi, formed within the body, especially in the bladder.
Chemistry. of, pertaining to, or containing lithium.
Archaeology. a stone artifact.

1790–1800; < Greek lithikós of stone. See lith-, -ic

lithically, adverb
prelithic, adjective Unabridged


a combining form used in the names of cultural phases in archaeology characterized by the use of a particular type of tool: Chalcolithic; Neolithic.

see lithic Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
lithic (ˈlɪθɪk)
1.  of, relating to, or composed of stone
2.  containing abundant fragments of previously formed rock: a lithic sandstone
3.  pathol of or relating to a calculus or calculi, esp one in the urinary bladder
4.  of or containing lithium
[C18: from Greek lithikos stony]

adj combining form
(in anthropology) relating to the use of stone implements in a specified cultural period: Neolithic
[from Greek lithikos, from lithos stone]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin & History

1797, from Gk. lithikos, from lithos "stone."
Online Etymology Dictionary, © 2010 Douglas Harper
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Example sentences
In short, only the absence of a high quality lithic source seems to have
  limited the desirability of this setting for settlement.
Lithic tools are further divided into chipped or flaked stone tools and ground
  stone tools.
Microcrystalline silica and silicified wood are the dominant lithic raw
  material types represented in the two collections.
Here is a lithic tuff or a crystal lithic tuff that's mafic in composition made
  of fragments of preexisting rocks.
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