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 An amniotic allograft uses human amniotic fluid or membrane to heal wounds. Stephanie Innes, The Arizona Republic, 29 June 2024 The team focused its search for a new drug on compounds that suppress the Lol system, which shuttles lipoproteins between the inner and outer membranes in gram-negative bacteria. Tribune News Service, The Mercury News, 20 June 2024 But the maternal fetal doctor told them that the cerclage hadn’t been effective, and amniotic membrane was coming through her cervix. Lonyae Coulter, Kansas City Star, 14 June 2024 The rules list three conditions that could put a pregnant person’s life at risk: premature rupture of membranes, ectopic pregnancy and molar pregnancy. NPR, 14 June 2024 See all Example Sentences for membrane 

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 15 Jul. 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

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!