"Then what is the definition of metamorphosis?" Precisely what I described above. Metamorphosis –noun, plural -ses /-ˌsiz/ Show Spelled Pronunciation [-seez] Show IPA . 1. Biology. a profound change in form from one stage to the next in the life history of an organism, as from the caterpillar to the pupa and from the pupa to the adult butterfly.
a profound change in formSounds just like what I said.
I think I said it changes to a different creature, and I understand why you object to that.
I should have said, it changes to a different form, or a totally different 'appearing' creature.