progeria noun.
[prǝ(ʊ)'dʒɪǝrɪǝ] E20.[from Greek progērōs prematurely old, formed as PRO-2 + gērōs old age: see -IA1.]A syndrome of children characterized by physical symptoms suggestive of premature senility.
■ progeric adjective M20. [TahlilGaran] English Dictionary ▲