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black lead

[led] /lɛd/
noun, Mineralogy.
graphite; plumbago.
Origin of black lead
First recorded in 1575-85 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for black lead
Contemporary Examples
Historical Examples
  • In the vicinity of Seatoller is the celebrated mine of plumbago, or black lead.

    Rides on Railways Samuel Sidney
  • But black lead is far handsomer than anything else for this purpose.

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

  • Where different materials, such as wood and felt, would rub together they are covered with black lead to lubricate them.

    Piano Tuning J. Cree Fischer
  • Associated with these beds of hard coal are beds of black lead, or graphite, the substance used in making "lead" pencils.

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

  • I procured also from the parish of Pithoea some pencil lead, or lead-like mica (black lead) which blackens the fingers.

    Lachesis Lapponica Carl von Linn
  • black lead dust was used for this purpose, but was soon found to wear the cylinder.

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

    Aviation Engines

    Victor Wilfred Pag
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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