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
In short: The yellow membrane makes the building waterproof.
—
Sydney Franklin, The Enquirer, 29 July 2025
These membranes usually regress before or shortly after birth, but in some cases, tiny strands remain visible in the eye.
—Lydia Patrick, MSNBC Newsweek, 8 July 2025
Cut the fruit as close to the membrane as possible on one side and then the next side, letting the lemon segment fall into the bowl.
—Stephanie Ganz, Southern Living, 7 July 2025
Many researchers had assumed that PFAS molecules would cling to a bacterium’s outer membrane rather than getting inside it, Patil says.
—Nora Bradford, Scientific American, 4 July 2025
See All Example Sentences for membrane
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Sydney Franklin, The Enquirer, 29 July 2025
These membranes usually regress before or shortly after birth, but in some cases, tiny strands remain visible in the eye.
—Lydia Patrick, MSNBC Newsweek, 8 July 2025
Cut the fruit as close to the membrane as possible on one side and then the next side, letting the lemon segment fall into the bowl.
—Stephanie Ganz, Southern Living, 7 July 2025
Many researchers had assumed that PFAS molecules would cling to a bacterium’s outer membrane rather than getting inside it, Patil says.
—Nora Bradford, Scientific American, 4 July 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 Aug. 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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