| litharge | <chemistry> Lead monoxide; a yellowish red substance, obtained as an amorphous powder, or crystallized in fine scales, by heating lead moderately in a current of air or by calcining lead nitrate or carbonate. It is used in making flint glass, in glazing earthenware, in making red lead minium, etc. Called also massicot. Origin: OE. Litarge, F. Litharge, L. Lithargyrus, Gr. The scum or foam of silver; stone + silver. Litharge is found in silverbearing lead ore. Source: Websters Dictionary (01 Mar 1998) |
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