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 extremely small separation between the two graphene systems allowed the screening effect to be much stronger than in earlier experiments. — Neetika Walter, Interesting Engineering, 5 Sep. 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

Rhymes for graphene

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Browse Nearby Words

graphemics
graphene
-grapher
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Cite this Entry

“Graphene.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/graphene. Accessed 7 Sep. 2026.

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