paedomorphosis

noun
pae·​do·​mor·​pho·​sis | \ˌpē-də-ˈmȯr-fə-səs \

Definition of paedomorphosis 

: phylogenetic change that involves retention of juvenile characters by the adult

First Known Use of paedomorphosis

1922, in the meaning defined above

History and Etymology for paedomorphosis

New Latin, from paed- + Greek morphōsis formation, from morphoun to form, from morphē form

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The first known use of paedomorphosis was in 1922

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paedomorphosis

noun
pae·​do·​mor·​pho·​sis
variants: or pedomorphosis \-​ˈmȯr-​fə-​səs \
plural paedomorphoses\-​ˌsēz \

Medical Definition of paedomorphosis 

: phylogenetic change that involves retention of juvenile characters by the adult

More from Merriam-Webster on paedomorphosis

Britannica.com: Encyclopedia article about paedomorphosis

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