lith·​i·​fi·​ca·​tion ˌli-thə-fə-ˈkā-shən How to pronounce lithification (audio)
: the conversion of unconsolidated sediments into solid rock
Joints are separations or fractures within rock formations along which no movement has occurred and may develop during the original lithification of the rock unit or as a result of subsequent earth processes.Don R. Murphy

Word History


Greek líthos "stone, rock" + -ification

First Known Use

1872, in the meaning defined above

Time Traveler
The first known use of lithification was in 1872

Dictionary Entries Near lithification

Cite this Entry

“Lithification.” Dictionary, Merriam-Webster, Accessed 8 Dec. 2023.

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