Alzheimer's disease

[ahlts-hahy-merz, alts-, awlts-]
noun Pathology.
a common form of dementia, believed to be caused by changes in the brain, usually beginning in late middle age, characterized by memory lapses, confusion, emotional instability, and progressive loss of mental ability.
Also, Alzheimer disease.
Also called Alzheimer’s.

named after Alois Alzheimer (1864–1915), German neurologist, who described it in 1907 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
Alzheimer's disease (ˈæltsˌhaɪməz)
Often shortened to: Alzheimer's a disorder of the brain resulting in a progressive decline in intellectual and physical abilities and eventual dementia
[C20: named after A. Alzheimer (1864--1915), German physician who first identified it]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

Alzheimer's disease
(senium præcox), 1912, title of article by S.C. Fuller published in "Journal of Nervous and Mental Diseases;" named for Ger. neurologist Alois Alzheimer (1864-1915). Not common before 1970s; shortened form Alzheimer's first recorded 1954.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

Alzheimer's disease Alz·hei·mer's disease (älts'hī-mərz, ālts'-, ôlts'-)
A degenerative disease of the brain, characterized by clumps of neurofibrils and microscopic brain lesions and by confusion, disorientation, memory failure, and speech disturbances, and resulting in progressive loss of mental capacity.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
Alzheimer's disease   (äls'hī-mərz)  Pronunciation Key 
A progressive, degenerative disease of the brain, commonly affecting the elderly, and associated with the development of amyloid plaques in the cerebral cortex. It is characterized by confusion, disorientation, memory failure, speech disturbances, and eventual dementia. The cause is unknown. Alzheimer's disease is named for its identifier, German psychiatrist Alois alzheimer (1864-1915).
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary
Alzheimer's disease [(ahlts-heye-muhrz, alts-heye-muhrz, awlts-heye-muhrz)]

A disease in which mental capacity decreases because of the breakdown of brain cells.

Note: Alzheimer's disease is a major cause of loss of intellectual function in middle-aged and elderly people.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Example sentences
Alzheimer's disease begins to damage the brain years before the first symptoms appear.
Alzheimer's patients can sometimes wander away and become disoriented.
Alzheimer's disease is a degenerative illness of the brain.
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