am·y·loid | \ -ˌlȯid \

Definition of amyloid 

: a waxy translucent substance consisting primarily of protein that is deposited in some animal organs and tissues under abnormal conditions (such as Alzheimer's disease) — compare beta-amyloid

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Other words from amyloid

amyloid adjective

Examples of amyloid in a Sentence

Recent Examples on the Web

Praticò said that previous work showed that zileuton can also impact amyloid. Stacey Burling,, "An asthma drug shows promise against Alzheimer's," 8 June 2018 Many drugmakers have pursued the theory that targeting amyloid could slow or halt the progression of Alzheimer’s. Peter Loftus, WSJ, "Eli Lilly, AstraZeneca Drop Two Late-Stage Alzheimer’s Drug Trials," 12 June 2018 Other trials did not make sure that their patients actually had amyloid. Joshua Kendall,, "Can this doctor figure out how to stop Alzheimer’s before it starts?," 11 June 2018 The drug is also unique among the amyloid busters that came before. Alice Park, Time, "Inside One Couple’s Experimental Treatment to Battle Alzheimer’s Disease," 15 Feb. 2018 The exposure led to a reaction in which protein fibers called amyloids, which cause the plaques found in Alzheimer’s patients’ brains, were formed, perhaps to ensnare the viruses as part of immune response. Jason Daley, Smithsonian, "Childhood Virus May Have a Role in Alzheimer’s Disease," 23 June 2018 In research, biomarkers like beta amyloid, pathologic tau, and neurodegeneration are used to stage and measure the progression of Alzheimer’s disease. Amy M. Miller, STAT, "Studying sex differences will improve health for women and men," 13 June 2018 Researchers also found a link between higher pressure and one of the signs of Alzheimer’s — tangles of a protein called tau — but not another Alzheimer’s hallmark, amyloid plaques. Washington Post, "Late-life high blood pressure may harm the brain, study says," 11 July 2018 Many researchers believe the beta-amyloid clumps play a key role in Alzheimer’s. Peter Loftus, WSJ, "Drugmakers Call Experimental Alzheimer’s Drug Study Positive," 6 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'amyloid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of amyloid

1866, in the meaning defined above

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9 Sep 2018

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The first known use of amyloid was in 1866

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am·y·loid | \ ˈam-ə-ˌlȯid \

Medical Definition of amyloid 

1 : a nonnitrogenous starchy food

2 : a waxy translucent substance consisting primarily of protein that is deposited in some animal organs and tissue under abnormal conditions (as in Alzheimer's disease) — see beta-amyloid

Other words from amyloid

amyloid adjective

More from Merriam-Webster on amyloid Encyclopedia article about amyloid

Comments on amyloid

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the setting in which something occurs

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