| 单词 | graphite |
| 释义 | graphite (once / 10323 pages) n Use the noun graphite when you're talking about the mineral that's used to make pencil lead. Graphite is a form of carbon that is most commonly found in pencils, although because it is a good conductor of electricity, it's also used in electrodes and batteries. Graphite can in fact be found in a wide variety of things, from a car's brake pads to industrial lubricants. The word graphite comes from the German Graphit, which was named by a mineralogist in 1789 from the Greek word graphein, "write." WORD FAMILYgraphite: graphites USAGE EXAMPLESPanasonic said it found and corrected a problem in its graphite supply chain. Washington Post(Dec 30, 2016) The show also contains 11 of Stout’s graphite drawings, whose finely textured images range through the gray spectrum and seem almost veiled. New York Times(Dec 29, 2016) One, 55 Cancri e, seems to have a graphite surface and a diamond mantle. Economist(Nov 24, 2016) n used as a lubricant and as a moderator in nuclear reactors Syn|Hypo|Hyper black lead, plumbago lead, pencil lead mixture of graphite with clay in different degrees of hardness; the marking substance in a pencil pencilgraphite (or a similar substance) used in such a way as to be a medium of communication C, atomic number 6, carbon an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds |
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