Lith"arge (?), n. [OE. litarge, F. litharge, L. lithargyrus, Gr. the scum or foam of silver; stone + silver. Litharge is found in silverbearing lead ore.] Chem.

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.


© Webster 1913.

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