Medical Dictionary

metamorphosis

noun meta·mor·pho·sis \ˌmet-ə-ˈmr-fə-səs\
plural meta·mor·pho·ses \-ˌsēz\

Medical Definition of METAMORPHOSIS

1
:  change of physical form, structure, or substance
2
:  a marked and more or less abrupt developmental change in the form or structure of an animal (as a butterfly or a frog) occurring subsequent to birth or hatching

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