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
At the heart of these sensors is the ion-to-electron transducer, positioned between the ion-selective membrane and the electronic conductor.
—
Bojan Stojkovski, Interesting Engineering, 26 Oct. 2025
After all, the human and the alien in Lanthimos’s films have always been divided by the most porous of membranes.
—Justin Chang, New Yorker, 24 Oct. 2025
Even better, the membrane lasts up to 1,000 gallons, which is more than enough to provide years of reliable service.
—Clay Abney, Travel + Leisure, 20 Oct. 2025
Back to the Future Christopher Lloyd and Michael J. Fox in 'Back to the Future' MCA/Universal Pictures
There is a scene in the Season 5 trailer in which Steve drives a car through the membrane of the Upside Down that feels straight out of Back to the Future.
—Eliana Dockterman, Time, 16 Oct. 2025
See All Example Sentences for membrane
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Bojan Stojkovski, Interesting Engineering, 26 Oct. 2025
After all, the human and the alien in Lanthimos’s films have always been divided by the most porous of membranes.
—Justin Chang, New Yorker, 24 Oct. 2025
Even better, the membrane lasts up to 1,000 gallons, which is more than enough to provide years of reliable service.
—Clay Abney, Travel + Leisure, 20 Oct. 2025
Back to the Future Christopher Lloyd and Michael J. Fox in 'Back to the Future' MCA/Universal Pictures
There is a scene in the Season 5 trailer in which Steve drives a car through the membrane of the Upside Down that feels straight out of Back to the Future.
—Eliana Dockterman, Time, 16 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 4 Nov. 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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