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graphite
graphite /ˈgræˌfaɪt/
noun
-
(
)
Used as a lubricant and as a moderator in nuclear reactors
(
black lead
, plumbago
, graphite
)
used as a lubricant and as a moderator in nuclear reactors
The pencil's lead is made of graphite, a soft mineral that leaves a dark mark when rubbed against paper
The pencil's lead is made of graphite, a soft mineral that leaves a dark mark when rubbed against paper
