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Hasil cari dari kata atau frase: black lead (0.00852 detik)
Found 2 items, similar to black lead.
English → English (WordNet)
Definition: black lead
black lead
n : used as a lubricant and as a moderator in nuclear reactors
[syn:
graphite,
plumbago]
English → English (gcide)
Definition: black lead
Graphite
\Graph"ite\, n. [Gr. gra`fein to write: cf. F.
graphite. See
Graphic.] (Min.)
Native carbon in hexagonal crystals, also foliated or
granular massive, of black color and metallic luster, and so
soft as to leave a trace on paper. It is used for pencils
(improperly called lead pencils), for crucibles, and as a
lubricator, etc. Often called
plumbago or
black lead.
[1913 Webster]
Graphite battery (Elec.), a voltaic battery consisting of
zinc and carbon in sulphuric acid, or other exciting
liquid.
[1913 Webster]
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