bilayer

noun

bi·​lay·​er ˈbī-ˌlā-ər How to pronounce bilayer (audio)
-ˌler
: a film or membrane with two molecular layers
a bilayer of phospholipid molecules
bilayer adjective

Examples of bilayer in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The research team reengineered the chemical vapour deposition (CVD) technique by introducing a liquid gold/tungsten bilayer as the substrate. Bojan Stojkovski, Interesting Engineering, 12 Apr. 2026 In other words, studying Hofstadter’s butterfly in twisted graphene bilayers could be of broader utility, opening the way for further enlightening investigations of the phenomenon in other systems and materials. Gayoung Lee, Scientific American, 28 Mar. 2025 Miniature compartments, such as lipid bilayers configured into capsules like liposomes and micelles, are important for cellular organization and function. Discover Magazine, 17 Oct. 2024 The researchers could control the composition of each lipid bilayer to make the concentrisome user-defined. New Atlas, 30 July 2024 Twisted bilayer graphene has the former. Charlie Wood, Quanta Magazine, 16 Mar. 2021 In research described in the journal Nature Nanotechnology, the Penn State team was able to direct the electrons by placing a pair of gates above and below the bilayer graphene sheet and then applying an electrical field perpendicular to the plane. IEEE Spectrum, 30 Aug. 2016

Word History

First Known Use

1962, in the meaning defined above

Time Traveler
The first known use of bilayer was in 1962

Browse Nearby Words

Cite this Entry

“Bilayer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bilayer. Accessed 23 May. 2026.

Medical Definition

bilayer

noun
bi·​lay·​er ˈbī-ˌlā-ər, -ˌle(-ə)r How to pronounce bilayer (audio)
: a film or membrane with two molecular layers
a bilayer of phospholipid molecules
bilayer adjective
Love words? Need even more definitions?

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

More from Merriam-Webster