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.
Ukraine Is Mineral Rich Ukraine has some of the world’s largest deposits of graphite, lithium, titanium, beryllium, and uranium, all of which are critical in developing and supporting AI, quantum computing, non-fossiuel propulsion, and other 21st century technologies. Eli Amdur, Forbes, 2 Mar. 2025 Driving the news: Ukraine has deposits of graphite, lithium, rare earths, uranium, and more. Ben Geman, Axios, 28 Feb. 2025 Before the war, Ukraine supplied around seven percent of the world's titanium and has around 500,000 tons of lithium reserves and one fifth of the globe's graphite, which is critical for nuclear power stations. John Feng, Newsweek, 26 Feb. 2025 Why is Trump so keen on a minerals deal with Ukraine? 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, 26 Feb. 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

Browse Nearby Words

Cite this Entry

“Graphite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/graphite. Accessed 9 Mar. 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

More from Merriam-Webster on graphite

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