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- n. A rare neurodevelopmental disorder characterized by a distinctive elfin facial appearance, developmental delay coupled with strong language skills, and cardiovascular problems.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a rare congenital disorder associated with deletion of genetic material in chromosome 7; characterized by mental deficiency and some growth deficiency and elfin faces but an overly social personality and a remarkable gift for vocabulary
Sorry, no etymologies found.