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Red lead

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red lead

[led]
–noun
an orange to red, heavy, earthy, water-insoluble, poisonous powder, Pb3O4, obtained by heating litharge in the presence of air: used chiefly as a paint pigment, in the manufacture of glass and glazes, and in storage batteries.
Also called minium.
Compare litharge.


Origin:
1400–50; late ME
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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red lead   (lěd)   
n.  A poisonous bright red powder, Pb3O4, used in paints, glass, pottery, and packing for pipe joints.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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