idiocy

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idiocy

 [id´e-ah-se]
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.

idiocy

(ĭd′ē-ə-sē)
n. pl. idio·cies
1. Extreme folly or stupidity.
2. A foolish or stupid utterance or deed.

idiocy

An obsolete term for severe mental retardation (IQ < 25).

idiocy

The state of a person with a mental age of less than three. The term is little used in medicine.