from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Retention of juvenile characteristics in the adult, occurring in mammals.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. the retention, by an adult, of juvenile characteristics

from The Century Dictionary and Cyclopedia

  • n. The retention by the adult organism of infantile or juvenile characters. See pedomorphic.


pedo- + -morphism (Wiktionary)


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