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old term for profound mental retardation, now considered offensive.
amaurotic familial idiocy former name for neuronal ceroid-lipofuscinosis.
mongolian idiocy former name for Down syndrome or the marked mental retardation associated with it. The term is now considered offensive.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
n. pl. idio·cies
1. Extreme folly or stupidity.
2. A foolish or stupid utterance or deed.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
idiocyAn obsolete term for severe mental retardation (IQ < 25).
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
idiocyThe state of a person with a mental age of less than three. The term is little used in medicine.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005