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
Next, anion exchange membrane (AEM) electrolyzers are considered promising newcomers in electrolysis technology.
—
Kapil Kajal, Interesting Engineering, 17 Sep. 2025
Pumping losses and membrane fouling can erode efficiency, and advanced membranes are expensive.
—New Atlas, 16 Sep. 2025
Swanson specializes in modeling these membrane proteins, an effort that will support other researchers looking to use pMMO to break down methane outside of a cell.
—Katherine Bourzac, Quanta Magazine, 15 Sep. 2025
The vaccine itself is based on the Chlamydia pecorum’s major outer membrane protein (MOMP) and three crucial levels of protection.
—Laura Baisas, Popular Science, 10 Sep. 2025
See All Example Sentences for membrane
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Kapil Kajal, Interesting Engineering, 17 Sep. 2025
Pumping losses and membrane fouling can erode efficiency, and advanced membranes are expensive.
—New Atlas, 16 Sep. 2025
Swanson specializes in modeling these membrane proteins, an effort that will support other researchers looking to use pMMO to break down methane outside of a cell.
—Katherine Bourzac, Quanta Magazine, 15 Sep. 2025
The vaccine itself is based on the Chlamydia pecorum’s major outer membrane protein (MOMP) and three crucial levels of protection.
—Laura Baisas, Popular Science, 10 Sep. 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 21 Sep. 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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