fossilization

About 0.08 uses per million words.

Meaning

1. noun The process of converting, or of being converted, into a fossil.
2. noun The process of becoming fixed, unchanging, and out of date.

Similar words

fossilification fossilizer carbonification lapidification humification petrifaction carbonization petrification vitrification fenitization

Often followed by

of and is in process potential as are or