graphite

noun

graph·​ite ˈgra-ˌfīt How to pronounce graphite (audio)
1
: a soft black lustrous form of carbon that conducts electricity and is used in lead pencils and electrolytic anodes, as a lubricant, and as a moderator in nuclear reactors
2
: a composite material in which carbon fibers are the reinforcing material
graphitic adjective

Examples of graphite in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
These range from gel-infused to graphite to eco-friendly bamboo. Yelena Moroz Alpert, Architectural Digest, 23 May 2025 The pillow incorporates cooling gel and graphite to help regulate sleep temperature. Nora Colomer May Earn A Commission If You Buy Through Our Referral Links. This Content Was Created By A Team That Works Independently From The Fox Newsroom., FOXNews.com, 21 May 2025 Aside from rare earth minerals, China also dominates production of critical minerals such as lithium and graphite, which are both essential for producing batteries used in electric vehicles and other devices. Alain Sherter, CBS News, 2 May 2025 Why are the minerals so important? Materials such as graphite, lithium, uranium and the 17 chemical elements known as rare earths are critical for economic growth and national security. Ivana Kottasová, CNN Money, 1 May 2025 See All Example Sentences for graphite

Word History

Etymology

German Graphit, from Greek graphein to write

First Known Use

1796, in the meaning defined at sense 1

Time Traveler
The first known use of graphite was in 1796

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Cite this Entry

“Graphite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/graphite. Accessed 27 Jun. 2025.

Kids Definition

graphite

noun
graph·​ite ˈgraf-ˌīt How to pronounce graphite (audio)
: a soft shiny black carbon that is used in making lead pencils and as a dry lubricant

Medical Definition

graphite

noun
graph·​ite ˈgraf-ˌīt How to pronounce graphite (audio)
: carbon of a soft black lustrous form that conducts electricity and is used in lead pencils and electrolytic anodes, as a lubricant, and as a moderator in nuclear reactors

called also plumbago

graphitic adjective

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