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
That implies hundreds of milliliters of fluid and tens of square centimeters of membrane.
—
Srishti Gupta, Interesting Engineering, 28 Mar. 2026
It’s made for big-trip performance, thanks to a high ankle, supportive fit, protective rubber toe guards, and waterproof Gore-Tex membrane.
—Lisa Jhung, Outside, 26 Mar. 2026
People in their teens and early 20s are considered to be at greater risk for this type of rare but serious bacterial infection called meningococcal group B that can lead to meningitis, an inflammation in the membranes that cover the spinal cord and brain.
—Kathleen Felton, Washington Post, 25 Mar. 2026
Meningitis is inflammation of membranes called meninges that surround the brain and spinal cord.
—Lauren J. Young, Scientific American, 21 Mar. 2026
See All Example Sentences for membrane
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Srishti Gupta, Interesting Engineering, 28 Mar. 2026
It’s made for big-trip performance, thanks to a high ankle, supportive fit, protective rubber toe guards, and waterproof Gore-Tex membrane.
—Lisa Jhung, Outside, 26 Mar. 2026
People in their teens and early 20s are considered to be at greater risk for this type of rare but serious bacterial infection called meningococcal group B that can lead to meningitis, an inflammation in the membranes that cover the spinal cord and brain.
—Kathleen Felton, Washington Post, 25 Mar. 2026
Meningitis is inflammation of membranes called meninges that surround the brain and spinal cord.
—Lauren J. Young, Scientific American, 21 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 1 Apr. 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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