membrane
noun
mem·brane
ˈmem-ˌbrān 
1
: a thin soft pliable sheet or layer especially of animal or plant origin
2
: a piece of parchment forming part of a roll
Examples of membrane in a Sentence
Recent Examples on the Web
Rheumatoid arthritis is an autoimmune disease that causes the body to attack itself, affecting the synovial tissue lining membranes in the joints throughout the body.
—
Jennifer Steinhoff, Verywell Health, 22 Apr. 2025
Cyanosis, or a blueish tint to the skin and mucus membranes, caused by inadequate oxygen in the blood.
—Mary Walrath-Holdridge, USA Today, 17 Apr. 2025
According to the brand, the slightest temperature variation changes the volume of the gas, causing the membrane to expand and contract — and wind the spring.
—Samantha Conti, Footwear News, 9 Apr. 2025
Children often first show signs of malaise and a fever, followed later by reddish, irritated eyes, a cough and a stuffy nose as the mucus membranes and nasal passages become inflamed.
—Emily Baumgaertner Nunn, New York Times, 4 Apr. 2025
See All Example Sentences for membrane
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Jennifer Steinhoff, Verywell Health, 22 Apr. 2025
Cyanosis, or a blueish tint to the skin and mucus membranes, caused by inadequate oxygen in the blood.
—Mary Walrath-Holdridge, USA Today, 17 Apr. 2025
According to the brand, the slightest temperature variation changes the volume of the gas, causing the membrane to expand and contract — and wind the spring.
—Samantha Conti, Footwear News, 9 Apr. 2025
Children often first show signs of malaise and a fever, followed later by reddish, irritated eyes, a cough and a stuffy nose as the mucus membranes and nasal passages become inflamed.
—Emily Baumgaertner Nunn, New York Times, 4 Apr. 2025
See All Example Sentences for membrane
Cite this Entry
“Membrane.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/membrane. Accessed 4 May. 2025.
Copy CitationKids Definition
membrane
noun
mem·brane
ˈmem-ˌbrān
: a thin soft flexible sheet or layer especially of a plant or animal part (as a cell, tissue, or organ)
membranous
adjective
ˈmem-brə-nəs
Medical Definition
membrane
noun
mem·brane
ˈmem-ˌbrān
1
: a thin soft pliable sheet or layer especially of animal or plant origin
2
: a limiting protoplasmic surface or interface see nuclear membrane, plasma membrane
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