WordReference Random House Unabridged Dictionary of American English © 2026
lith•i•fy
(lith′ə fī′),USA pronunciation v., -fied, -fy•ing.
v.t.
v.i.
v.t.
- Geology, Rocksto change (sediment) to stone or rock.
v.i.
- Geology, Rocksto become lithified.
- lith- + -ify