metamorphic
met-a-mor-phic
adjective
Pertaining to a change in form, structure, or character, especially of rock.
"Gneiss is a common type of metamorphic rock."
Thesaurus
Synonyms: hemimetamorphous, heterometabolic, hemimetamorphic, hemimetabolous, holometabolous, holometabolic, metamorphous, hemimetabolic, heterometabolous, epimorphic
Antonyms: nonmetamorphic