metamorphosis

英[,metə'mɔːfəsɪs;,metəmɔː'fəʊsɪs] 美['mɛtə'mɔrfəsɪs]

1. the marked and rapid transformation of a larva into an adult that occurs in some animals

2. a striking change in appearance or character or circumstances;

"the metamorphosis of the old house into something new and exciting"

3. a complete change of physical form or substance especially as by magic or witchcraft