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
He was also placed on an extracorporeal membrane oxygenation (ECMO) machine, which supports patients with failing hearts and lungs by pumping oxygen throughout the body.
—
Vanessa Etienne, PEOPLE, 7 Oct. 2025
The filter itself lasts a long time—the membrane is rated for up to 1,000 gallons (4,000 L), and the carbon filter does its thing for about 26 gallons (100 L).
—Francesca Krempa, Bon Appetit Magazine, 6 Oct. 2025
Next, Klie was taken back to the MRI scanner, where a special membrane was placed on her head to hold cold water for cooling and to aid sound wave transmission.
—Charlotte Observer, 2 Oct. 2025
Conditions included premature rupture of the membrane, cardiac disease and preeclampsia, according to the state report.
—Jessie Balmert, Cincinnati Enquirer, 2 Oct. 2025
See All Example Sentences for membrane
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Vanessa Etienne, PEOPLE, 7 Oct. 2025
The filter itself lasts a long time—the membrane is rated for up to 1,000 gallons (4,000 L), and the carbon filter does its thing for about 26 gallons (100 L).
—Francesca Krempa, Bon Appetit Magazine, 6 Oct. 2025
Next, Klie was taken back to the MRI scanner, where a special membrane was placed on her head to hold cold water for cooling and to aid sound wave transmission.
—Charlotte Observer, 2 Oct. 2025
Conditions included premature rupture of the membrane, cardiac disease and preeclampsia, according to the state report.
—Jessie Balmert, Cincinnati Enquirer, 2 Oct. 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 10 Oct. 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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