Alzheimer's disease

American  

[ahlts-hahy-merz, alts-, awlts-] / ˈɑlts haɪ mərz, ˈælts-, ˈɔlts- /

Or Alzheimer disease

noun

Pathology.

1. 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.

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Alzheimer's disease British  

/ ˈæltsˌhaɪməz /

noun

1. Often shortened to: Alzheimer's.  a disorder of the brain resulting in a progressive decline in intellectual and physical abilities and eventual dementia

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Alzheimer's disease Scientific  

/ äls′hī-mərz /

1. 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).

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Alzheimer's disease Cultural  

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

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Discover More

Alzheimer's disease is a major cause of loss of intellectual function in middle-aged and elderly people.

Etymology

Origin of Alzheimer's disease

Named after Alois Alzheimer (1864–1915), German neurologist, who described it in 1907

Example Sentences

See Examples For:

Alzheimer's disease

In Alzheimer's disease and other tauopathies, tau proteins begin accumulating inside nerve cells.

From Science Daily ● Jul. 20, 2026

The work may also help researchers identify existing drugs that could be repurposed for Alzheimer's disease and other dementias driven by tau.

From Science Daily ● Jul. 20, 2026

Among the waste products the system clears are proteins called amyloid and tau, the deposits that accumulate in the brains of people with Alzheimer's disease.

From BBC ● Jul. 19, 2026

Researchers at King's College London have identified a promising new strategy for tackling Alzheimer's disease by targeting several of the disease's earliest biological changes at the same time.

From Science Daily ● Jul. 17, 2026

I sit at a computer and look up everything I can find about Alzheimer’s disease.

From "Merci Suárez Changes Gears" by Meg Medina