graphite
/ˈɡɹæfaɪt/ noun C1- An allotrope of carbon, consisting of planes of carbon atoms arranged in hexagonal arrays with the planes stacked loosely, that is used as a dry lubricant, in "lead" pencils, and as a moderator in some nuclear reactors.
- Graphite-reinforced plastic, a composite plastic made with graphite fibers noted for lightweight strength and stiffness. · Modern tennis racquets are made of graphite, fibreglass and other man-made materials.
- A grey colour, resembling graphite or the marks made with a graphite pencil.
Plural graphites
Other matches
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