lithify

[lith-uh-fahy]

verb (used with object), lith·i·fied, lith·i·fy·ing.

to change (sediment) to stone or rock.

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verb (used without object), lith·i·fied, lith·i·fy·ing.

to become lithified.

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Origin of lithify

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018