pseudomorphosis
/ˌs(j)uːdə(ʊ)ˈmɔːfəsɪs/Chiefly Mineralogy
noun
An instance of pseudomorphism; alteration into or formation of a pseudomorph.
Origin
Early 19th century; earliest use found in Transactions of the Royal Society of Edinburgh. From pseudo- + morphosis, probably after pseudomorphic.