graphite

noun

graph·​ite ˈgra-ˌfīt 

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

gra-ˈfi-tik 

adjective

Examples of graphite in a Sentence

Recent Examples on the Web

Over half of global processing of lithium and cobalt takes place in China, as does almost all refining of graphite, used in EVs, and of rare earths, crucial for generators on wind turbines. —Hanna Ziady, CNN, 14 Aug. 2024

What It’s Made Of The T&N Mint is constructed from a 6.5-inch base layer of foam, topped with a breathable layer of open-cell foam infused with heat-conducting graphite and two inches of adaptive foam. —Samson McDougall, Health, 9 Aug. 2024

Large quantities of high-quality vein graphite have been shipped for testing to confirm its suitability as anode material. —Charlotte Observer, 17 June 2024

By the end of the decade, the world will likely face a shortage of raw materials needed for battery production, such as graphite, nickel, and lithium. —Daniel Baer, Foreign Affairs, 7 June 2024

Word History

Etymology

German Graphit, from Greek graphein to write

First Known Use

1796, in the meaning defined at sense 1

Kids Definition

graphite

noun

graph·​ite ˈgraf-ˌīt 

: 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 

: 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

gra-ˈfit-ik 

adjective