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
Its projects span areas such as membrane separation, nanobubble technology, biological treatment processes, ion exchange, and advanced oxidation systems.
—
Jason Phillips,
USA Today,
2 July 2026
Normally, cell growth eventually results in cell division, splitting the membranes and their context between two new cells.
—
ArsTechnica,
2 July 2026
Fewer than 1% of people infected develop severe illness that affects the central nervous system, including inflammation of the brain (encephalitis) and the membranes around the brain and spinal cord (meningitis), the CDC says.
—
Youri Benadjaoud,
ABC News,
1 July 2026
By attaching protein tags to a cell membrane, the synthetic biologist Reinhard Lipowsky at the Max Planck Institute of Colloids and Interfaces attracted other proteins to crowd around and physically bend the membrane, forcing the cell to divide.
—
Yasemin Saplakoglu,
Quanta Magazine,
1 July 2026
See All Example Sentences for membrane
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Jason Phillips,
USA Today,
2 July 2026
Normally, cell growth eventually results in cell division, splitting the membranes and their context between two new cells.
—
ArsTechnica,
2 July 2026
Fewer than 1% of people infected develop severe illness that affects the central nervous system, including inflammation of the brain (encephalitis) and the membranes around the brain and spinal cord (meningitis), the CDC says.
—
Youri Benadjaoud,
ABC News,
1 July 2026
By attaching protein tags to a cell membrane, the synthetic biologist Reinhard Lipowsky at the Max Planck Institute of Colloids and Interfaces attracted other proteins to crowd around and physically bend the membrane, forcing the cell to divide.
—
Yasemin Saplakoglu,
Quanta Magazine,
1 July 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 5 Jul. 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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