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
Examples of graphite in a Sentence
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Hot sleepers will also appreciate that the mattress has T&N’s unique Adaptive foam, which is made with 30% extra heat-wicking graphite and the cooling gel beads Fixsen highlights .
—
Megan Wahn, Architectural Digest, 11 Mar. 2025
Ukraine has substantial reserves or deposits of lithium, graphite, manganese, titanium, gallium, and nickel.
—IEEE Spectrum, 7 Mar. 2025
Telsa is leading an effort to block any increase in the current 25% tariffs on Chinese graphite, an essential component in the lithium-ion batteries.
—Bob Woods, CNBC, 3 Mar. 2025
The sleep surface is a cooling graphite memory foam for joint support and temperature control.
—Jaylyn Pruitt, Health, 21 Feb. 2025
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Megan Wahn, Architectural Digest, 11 Mar. 2025
Ukraine has substantial reserves or deposits of lithium, graphite, manganese, titanium, gallium, and nickel.
—IEEE Spectrum, 7 Mar. 2025
Telsa is leading an effort to block any increase in the current 25% tariffs on Chinese graphite, an essential component in the lithium-ion batteries.
—Bob Woods, CNBC, 3 Mar. 2025
The sleep surface is a cooling graphite memory foam for joint support and temperature control.
—Jaylyn Pruitt, Health, 21 Feb. 2025
See All Example Sentences for graphite
Cite this Entry
“Graphite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/graphite. Accessed 25 Mar. 2025.
Copy CitationKids 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
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