amyloid

American  

[am-uh-loid] / ˈæm əˌlɔɪd /

noun

1. Biochemistry. a waxy, translucent substance, composed primarily of protein fibers, that is deposited in various organs of animals in certain diseases.

2. a nonnitrogenous food consisting especially of starch.

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adjective

1. Also amyloidal of, resembling, or containing amylum.

amyloid British  

/ ˈæmɪˌlɔɪd /

noun

1. pathol a complex protein resembling starch, deposited in tissues in some degenerative diseases

2. any substance resembling starch

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adjective

1. starchlike

amyloid Scientific  

/ ăm′ə-loid′ /

1. A hard waxy substance consisting of protein and polysaccharides that results from the degeneration of tissue and is deposited in organs or tissues of the body in various chronic diseases.

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1. Starchlike.

Etymology

Origin of amyloid

First recorded in 1855–60; amyl- + -oid

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Example Sentences

See Examples For:

amyloid

The normal version, meanwhile, appears to help protect neurons from damage involving amyloid, a protein that can accumulate abnormally in the brains of people with Alzheimer's.

From Science Daily ● Oct. 25, 2026

That approach helped the researchers move beyond the traditional emphasis on neurons and amyloid plaques to examine the broader role of the brain's immune system.

From Science Daily ● Oct. 19, 2026

They found that physical activity didn’t reduce the toxic amyloid plaques that most Alzheimer’s treatments now target.

From Science Daily ● Oct. 19, 2026

Instead, the researchers hope to modify how these immune cells respond to amyloid plaques and regulate inflammation.

From Science Daily ● Oct. 19, 2026

The albuminate was called amyloid by Virchow in consequence of its color-reaction with iodine.

From A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases by Various

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