Fossilisation
Part of speech: noun
Definition:
Fossilization
Part of speech: noun
Definition: The process of converting, or of being converted, into a fossil.(fig.) The process of becoming fixed, unchanging, and out of date.
Fossilisation as a noun is
Part of speech: noun
Definition:
Part of speech: noun
Definition: The process of converting, or of being converted, into a fossil.(fig.) The process of becoming fixed, unchanging, and out of date.
We hope you now know whether to use Fossilisation or Fossilization in your sentence.