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
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The membrane, a layer of material sandwiched between the exterior of the boot and the lining, is the workhorse.
—
Alisha McDarris, Outside, 7 Mar. 2026
At lower pressures, the cells showed no signs of damage, though researchers observed ruptured membranes and some internal cellular damage at higher pressures, the study reports.
—Sharmila Kuthunur, Space.com, 6 Mar. 2026
While connected to an extracorporeal membrane oxygen machine — which serves as a life-support system that acts as an artificial heart and lung — since Monday, the machine was responsible for 85% of the blood being pumped through his body.
—Rick Cantu, Austin American Statesman, 5 Mar. 2026
These fish are rich in DHA, a structural component of neuronal membranes that supports memory, learning and reduced inflammation.
—Hannah Coates, Vogue, 5 Mar. 2026
See All Example Sentences for membrane
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Alisha McDarris, Outside, 7 Mar. 2026
At lower pressures, the cells showed no signs of damage, though researchers observed ruptured membranes and some internal cellular damage at higher pressures, the study reports.
—Sharmila Kuthunur, Space.com, 6 Mar. 2026
While connected to an extracorporeal membrane oxygen machine — which serves as a life-support system that acts as an artificial heart and lung — since Monday, the machine was responsible for 85% of the blood being pumped through his body.
—Rick Cantu, Austin American Statesman, 5 Mar. 2026
These fish are rich in DHA, a structural component of neuronal membranes that supports memory, learning and reduced inflammation.
—Hannah Coates, Vogue, 5 Mar. 2026
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 Mar. 2026.
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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