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black lead

[led] /lɛd/
noun, Mineralogy
graphite; plumbago.
Origin of black lead
1575-85 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for black lead
Contemporary Examples
Historical Examples
  • Now, suppose you exchange boats, and pull round once more, that we may see how much good the black lead did.

    In School and Out Oliver Optic
  • In the vicinity of Seatoller is the celebrated mine of plumbago, or black lead.

    Rides on Railways Samuel Sidney
  • They are then colored with a mixture of red chalk, or black lead, applied with a sponge, to give the gold a dark color.

  • But black lead is far handsomer than anything else for this purpose.

  • Even the black lead of pencils possibly represents plants that were once alive on this globe.

    Ancient Plants Marie C. Stopes
  • Associated with these beds of hard coal are beds of black lead, or graphite, the substance used in making "lead" pencils.

  • There is a little iron mixed with our black lead but nothing to hinder its crystallisation.

  • The most common solid employed as a lubricant is graphite, sometimes termed “plumbago” or “black lead.”

    Aviation Engines Victor Wilfred Pag
  • The last stage in the coal series is a black substance which we know as black lead, or graphite.

British Dictionary definitions for black lead

black lead

another name for graphite
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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