IPA: /lɪθɪfɪˈkeɪʃən/
KK: /lɪθɪfɪˈkeɪʃən/
The process of turning loose sediment into solid rock through compaction and cementation.
The lithification of the sedimentary layers took thousands of years.
Lithification → It is formed from "lithos" (meaning stone) and "-fication" (meaning the process of making). The word describes the process of turning sediments into solid rock, essentially making stone.
Think of 'lithos' meaning stone and '-fication' meaning the process of making — lithification is the process of making something into stone.