graphene

noun
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

Recent Examples on the Web In magic angle graphene, in contrast, all the atoms are carbon, eliminating messy boundaries between different materials. Charlie Wood, Science | AAAS, "Twisted graphene could power a new generation of superconducting electronics," 19 Nov. 2020 Collins says some companies are selling graphene for under $10 per kilogram these days. David Meyer, Fortune, "Graphene gets real: Meet the entrepreneurs bringing the wonder substance to market," 13 Dec. 2020 For this latest work, Geim's team painstakingly constructed molecular-scale capillaries by layering atom-thin crystals of mica and graphite on top of each other, with narrow strips of graphene in between each layer to serve as spacers. Jennifer Ouellette, Ars Technica, "Physicists solve 150-year-old mystery of equation governing sandcastle physics," 9 Dec. 2020 This new arrival and the brand’s best-selling jacket comes from Graphene-X, a company that incorporates graphene into its clothing, as its name implies. Zoe Malin, NBC News, "New & Notable: Latest products from Hello Kitty, Olay and more," 7 Dec. 2020 Magic angle graphene devices are unlikely to challenge consumer silicon electronics anytime soon. Charlie Wood, Science | AAAS, "Twisted graphene could power a new generation of superconducting electronics," 19 Nov. 2020 The test itself uses strips of paper with thin, stacked sheets of graphene that have been infused with nitrogen atoms to increase their electrical conductivity, according to Gizmodo. Alex Fox, Smithsonian Magazine, "This Chili-Shaped Smartphone Accessory Can Measure a Pepper’s Spiciness," 12 Nov. 2020 The other key difference is that the bonds formed by carbon atoms ensure that graphene is essentially flat, no thicker than the atoms of carbon it's formed from. John Timmer, Ars Technica, "Engineering a battery fast enough to make recharging like refueling," 11 Oct. 2020 Graphite is a form of carbon that's just a large collection of graphene sheets layered on top of each other. John Timmer, Ars Technica, "Engineering a battery fast enough to make recharging like refueling," 11 Oct. 2020

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.

See More

First Known Use of graphene

1985, in the meaning defined above

Keep scrolling for more

Learn More about graphene

Time Traveler for graphene

Time Traveler

The first known use of graphene was in 1985

See more words from the same year

Statistics for graphene

Last Updated

10 Jan 2021

Cite this Entry

“Graphene.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/graphene. Accessed 28 Jan. 2021.

Comments on graphene

What made you want to look up graphene? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Slippery Words Quiz—Changing with the Times

  • ducreux self portrait yawning
  • What is an earlier meaning of nice?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!