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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Similar to the way pure carbon can form diamonds, graphene, or other structures, tantalum nitride exists in multiple forms with very different properties. Rachel Nuwer, Scientific American, 11 Apr. 2026 Future satellites could integrate graphene into the skin or use it to steer massive solar sails. Mrigakshi Dixit, Interesting Engineering, 9 Apr. 2026 It's paired with aerospace-grade graphene wings that provide constant, hot-compress-like relief (up to 129.2°F) to the erector spinae and quadratus lumborum. Juhi Wadia, PC Magazine, 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 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 23 Apr. 2026.

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