: transparent or nearly so and usually homogeneous
1
: something (such as the clear atmosphere) that is transparent
2
or hyalin
: any of several translucent nitrogenous substances related to chitin, found especially around cells, and readily stained by eosin
Examples of hyaline in a Sentence
Recent Examples on the Web
Rosemary Feitelberg,
Footwear News,
29 June 2026
Heavy drinkers had a whopping 133% higher likelihood of having hyaline arteriolosclerosis compared with nondrinkers, and that’s after accounting for other factors that could affect brain health such as smoking.
—
Katia Hetter,
CNN Money,
9 Apr. 2025
Cathy Nelson,
Health,
7 May 2025
As individuals develop these brain lesions — known as hyaline arteriolosclerosis — their blood vessels narrow, becoming thick and stiff.
—
Charlotte Phillipp,
People.com,
13 Apr. 2025
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Adjective
Born prematurely, the infant died less than 48 hours after his birth, due to hyaline membrane disease.
—
Rosemary Feitelberg,
Footwear News,
29 June 2026
Heavy drinkers had a whopping 133% higher likelihood of having hyaline arteriolosclerosis compared with nondrinkers, and that’s after accounting for other factors that could affect brain health such as smoking.
—
Katia Hetter,
CNN Money,
9 Apr. 2025
Noun
In this study, researchers looked for evidence of brain lesions known as hyaline arteriosclerosis.
—
Cathy Nelson,
Health,
7 May 2025
As individuals develop these brain lesions — known as hyaline arteriolosclerosis — their blood vessels narrow, becoming thick and stiff.
—
Charlotte Phillipp,
People.com,
13 Apr. 2025
Cite this Entry
“Hyaline.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hyaline. Accessed 6 Jul. 2026.
Copy CitationMedical Definition
hyaline
2 of 2 noun1
or hyalin
: a nitrogenous substance closely related to chitin that forms the main constituent of the walls of hydatid cysts and yields a sugar on decomposition
2
: any of several translucent substances similar to hyaline that collect around cells, are capable of being stained by eosin, and yield a carbohydrate as a cleavage product
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