graph·​ene | \ ˈgra-ˌfēn How to pronounce graphene (audio) \

Definition of graphene

: 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 researchers eliminated this explanation by changing the electrodes to graphene and showing that the device still worked. John Timmer, Ars Technica, "Researchers make RAM from a phase change we don’t entirely understand," 18 Dec. 2018 Researchers also put in graphene nanoribbons to collect the current. David Grossman, Popular Mechanics, "Your Next Electrical Source: Bionic Mushrooms," 9 Nov. 2018 This means that graphene always has electrons available to conduct—but not all that many. Chris Lee, Ars Technica, "Salt-infused graphene creates an infrared cloaking device," 3 Aug. 2018 Single crystal graphene, a material only one atom thick but many times stronger than steel, is another possibility. Colin Stuart, WSJ, "Will Elevators to Outer Space Ever Get Off the Ground?," 20 Sep. 2018 The system uses a type of carbon called graphene, a super strong material that contains a single layer of atoms. David Grossman, Popular Mechanics, "It Just Got Easier to Make Hordes of Blood Cell-Sized Robots All at Once," 23 Oct. 2018 This drives extra electrons into the graphene, filling up all its energy states and eliminating mobility. The Economist, "How to fool infrared vision gear into thinking you are not there," 5 July 2018 Money poured in, patent filings skyrocketed and hopes were raised that graphene could change everything from electronics to carbon-fiber composites to biotechnology., "Zuckerberg Testifies Before Senate Panel," 10 Apr. 2018 To find a better way to make your blond locks black, scientists turned to graphene, a material composed of a single layer of carbon atoms that’s used in electronic devices and a variety of medical applications. Katie Langin, Science | AAAS, "Enough with the toxic hair dyes. We could use graphene instead," 15 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'graphene.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of graphene

1985, in the meaning defined above

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The first known use of graphene was in 1985

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