graphene

noun

graph·​ene ˈgra-ˌfēn How to pronounce graphene (audio)
: an extremely electrically conductive form of elemental carbon that is composed of a single flat sheet of carbon atoms arranged in a repeating hexagonal lattice

Examples of graphene in a Sentence

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The surface chemistry between tungsten and graphene prevented tungsten atoms from bonding to the graphene layer. Atharva Gosavi, Interesting Engineering, 1 Apr. 2026 The membrane, which wraps around the battery like a skin, is a composite material comprising lithium chloride (LiCl), graphene oxide (GO), and active carbon fiber (ACF), all encased in a porous PTFE membrane and supported by a copper frame. Etiido Uko march 04, New Atlas, 4 Mar. 2026 In one early experiment, in 2017, Geim and his collaborators carved a choke point into a strip of graphene, poured electrons through, and measured the resistance. Quanta Magazine, 11 Feb. 2026 In Dmitry Kireev’s lab at the University of Massachusetts Amherst, researchers are developing imperceptibly thin graphene tattoos capable of monitoring your vital signs and more. Perri Thaler, IEEE Spectrum, 21 Dec. 2025 See All Example Sentences for graphene

Word History

First Known Use

1985, in the meaning defined above

Time Traveler
The first known use of graphene was in 1985

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Cite this Entry

“Graphene.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/graphene. Accessed 6 Apr. 2026.

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