(of an insect or amphibian) having undergone metamorphosis, especially into the adult form

the metamorphosed larvae leave the water by climbing plants

(of rock) subjected to metamorphism

a metamorphosed sandstone

(of an insect or amphibian) undergo metamorphosis, especially into the adult form

feed the larvae to your fish before they metamorphose into adults

subject (rock) to metamorphism

the extreme heat metamorphosed the sandstone, baking it white and producing a quartzite rock