lithification

[ lith-uh-fi-key-shuh n ]
/ ˌlɪθ ə fɪˈkeɪ ʃən /

noun Geology.

the process or processes by which unconsolidated materials are converted into coherent solid rock, as by compaction or cementation.
Also called induration.

Origin of lithification

First recorded in 1870–75; lith- + -i- + -fication

British Dictionary definitions for lithification

lithification
/ (ˌlɪθɪfɪˈkeɪʃən) /

noun

the consolidation of a loosely deposited sediment into a hard sedimentary rock