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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
Advanced Filtration Technologies The introduction of advanced filtration technologies, such as membrane bioreactors and advanced oxidation processes, marks a significant step forward.
—Dan Kelly, Forbes, 7 Jan. 2025
The team also confirmed that the links were indeed made of membrane lipids and not protein, which would instead suggest pili.
—Veronique Greenwood, Quanta Magazine, 6 Jan. 2025
Using your fingers, lightly agitate the seeds to loosen them from the membrane.
—Karla Walsh, Better Homes & Gardens, 6 Jan. 2025
As the disease progressed over the next few days, she was intubated and put on extracorporeal membrane oxygenation (ECMO) — a life support technique that temporarily takes over the function of the heart and lungs for patients with severe heart or lung conditions.
—Susanne Rust, Los Angeles Times, 1 Jan. 2025
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Word History
Etymology
Middle English, from Latin membrana skin, parchment, from membrum
First Known Use
15th century, in the meaning defined at sense 1
Time Traveler
The first known use of membrane was
in the 15th century
Phrases Containing membrane
Dictionary Entries Near membrane
Cite this Entry
“Membrane.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/membrane. Accessed 20 Jan. 2025.
Kids 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
More from Merriam-Webster on membrane
Nglish: Translation of membrane for Spanish Speakers
Britannica English: Translation of membrane for Arabic Speakers
Britannica.com: Encyclopedia article about membrane
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