membrane

noun

mem·​brane ˈmem-ˌbrān How to pronounce membrane (audio)
1
: a thin soft pliable sheet or layer especially of animal or plant origin
2
: a piece of parchment forming part of a roll
membraned adjective

Examples of membrane in a Sentence

Recent Examples on the Web Male cicadas have two special vibrating membranes called tymbals that sit behind each wing, on either side of their abdomens. The Courier-Journal, 10 Apr. 2024 The waterproof membrane is noise-free and effective at preventing urine, sweat, or other bodily fluids from ruining their mattress. Kelsey Kunik, Parents, 10 Apr. 2024 Mucus is the slimy material that mucus membranes lining your nostrils create to trap air pollutants, bacteria, dirt, pollen, and other harmful substances. Maggie O'Neill, Health, 7 Apr. 2024 The final membrane between inner and outer is dissolving. Stephen Metcalf, The Atlantic, 5 Apr. 2024 Inside that device, the blood passed through a membrane that functioned like an artificial lung, and then it was pumped, freshly oxygenated, back into Sauer’s artery to perfuse his body — and most important, his brain. Helen Ouyang, New York Times, 27 Mar. 2024 Plus, the waterproof membrane will keep your feet nice and dry, while the mesh upper ensures plenty of breathability. Hannah Freedman, Travel + Leisure, 25 Mar. 2024 Increasing the voltage causes the electrostatic forces to overcome the restoring forces of the membrane, causing the membrane to collapse onto the substrate. IEEE Spectrum, 17 Mar. 2024 In Hallie's case, her small intestine, liver, colon, stomach and part of her bladder were encased in a grapefruit-sized, balloon-like ball coated by a thin membrane, just above where her belly button would be. Wendy Grossman Kantor, Peoplemag, 5 Mar. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'membrane.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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

Dictionary Entries Near membrane

Cite this Entry

“Membrane.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/membrane. Accessed 25 Apr. 2024.

Kids Definition

membrane

noun
mem·​brane ˈmem-ˌbrān How to pronounce membrane (audio)
: a thin soft flexible sheet or layer especially of a plant or animal part (as a cell, tissue, or organ)
membranous
ˈmem-brə-nəs
adjective

Medical Definition

membrane

noun
mem·​brane ˈmem-ˌbrān How to pronounce membrane (audio)
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
membraned adjective

More from Merriam-Webster on membrane

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