amyloid
noun
am·y·loid
ˈa-mə-ˌlȯid 
: 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
amyloid
adjective
Examples of amyloid in a Sentence
Recent Examples on the Web
The neurodegenerative condition is associated with the buildup of plaques of amyloid protein and tangles of tau protein in the brain, which can develop for a decade or more before visible symptoms such as memory loss or confusion arise.
—
Tanya Lewis, Scientific American, 19 Feb. 2026
Like generations of potential treatments before it, KRSA-028 is designed to break down a protein called amyloid that clumps up in the brains of Alzheimer’s patients.
—Allison Deangelis, STAT, 18 Feb. 2026
The infection also prompted production of amyloid-beta, which is a protein known to accumulate in the brains of those with Alzheimer’s, Koronyo-Hamaoui said.
—Amy McGorry, FOXNews.com, 18 Feb. 2026
In Alzheimer’s disease, for example, people with more cognitive reserve often delay the onset of symptoms despite the presence of the amyloid and tau, two proteins that are the hallmark signs of the neurological disorder.
—Sandee Lamotte, CNN Money, 10 Feb. 2026
See All Example Sentences for amyloid
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Tanya Lewis, Scientific American, 19 Feb. 2026
Like generations of potential treatments before it, KRSA-028 is designed to break down a protein called amyloid that clumps up in the brains of Alzheimer’s patients.
—Allison Deangelis, STAT, 18 Feb. 2026
The infection also prompted production of amyloid-beta, which is a protein known to accumulate in the brains of those with Alzheimer’s, Koronyo-Hamaoui said.
—Amy McGorry, FOXNews.com, 18 Feb. 2026
In Alzheimer’s disease, for example, people with more cognitive reserve often delay the onset of symptoms despite the presence of the amyloid and tau, two proteins that are the hallmark signs of the neurological disorder.
—Sandee Lamotte, CNN Money, 10 Feb. 2026
See All Example Sentences for amyloid
Cite this Entry
“Amyloid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/amyloid. Accessed 4 Mar. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
