Black lead

Black` lead´
1.Plumbago; graphite. It leaves a blackish mark somewhat like lead. See Graphite.
Noun1.black lead - used as a lubricant and as a moderator in nuclear reactors
Synonyms: graphite, plumbago
atomic number 6, C, carbon, graphite, lead, pencil, pencil lead, plumbago
Black Hills
black hole
Black Hole of Calcutta
black Hollander
black horehound
Black horse
black huckleberry
black humor
black humour
black ice
Black Jack Pershing
black kite
black knapweed
black knot
black larch
Black latten
-- Black lead --
Black lemur
Black letter
Black list
black locust
black lotion
black lovage
black lung
black lung disease
black magic
Black mail
black maire
black mallee
black mamba
Black man
Black manganese
black mangrove
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