HyperDicEnglishBLACK L ... black lead

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Related WikiPedia: black lead
English 1 sense of the expression black lead:
NOUNsubstanceblack lead, graphite, plumbagoused as a lubricant and as a moderator in nuclear reactors
Englishblack lead: 1 sense noun 1, substance
MeaningUsed as a lubricant and as a moderator in nuclear reactors.
Synonymsgraphite, plumbago
Narrowerlead, pencil leadmixture of graphite with clay in different degrees of hardness
pencilgraphite (or a similar substance) used in such a way as to be a medium of communication
Broadercarbon, C, atomic number 6An abundant nonmetallic tetravalent element occurring in three allotropic forms
Spanishgrafito, plombagina, plumbago
Catalangrafit, plombagina

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