metamorphosis
🇺🇸
/ˌmetəˈmɔːrfəsɪs/
🇬🇧
/ˌmetəˈmɔːfəsɪs/
The change of a young insect or amphibian into an adult, going through different stages.
The metamorphosis of a caterpillar into a butterfly is a fascinating process.
A complete change of something into a different form.
The old building underwent a metamorphosis and became a modern art gallery.