: 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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According to the scientists, their graphene catalyst could significantly improve the efficiency and durability of zinc-air batteries. — Georgina Jedikovska, Interesting Engineering, 15 Oct. 2026 Wulcea introduced a heated-jacket collection using its proprietary GrapheneNano technology, with flexible graphene heating elements, six heating zones and three temperature settings. — Alexandra Harrell, Footwear News, 14 Oct. 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 20 Oct. 2026.

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