Definitions

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

  • n. A rare congenital disorder of childhood that is characterized by rapid onset of the physical changes typical of old age, usually resulting in death before the age of 20. Also called Hutchinson-Gilford syndrome.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An extremely rare genetic condition wherein symptoms resembling aspects of aging are manifested at an early age.

from The Century Dictionary and Cyclopedia

  • n. A state in which several of the characteristic physical marks both of infantilism and of senility exist in the same individual.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a rare abnormality marked by premature aging (grey hair and wrinkled skin and stooped posture) in a child

Etymologies

pro-2 + Greek g─ôras, old age; see geriatrics + -ia1.
(American Heritage® Dictionary of the English Language, Fourth Edition)

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