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Webster 1913 Edition
Litharge
Lith′arge
(lĭth′ȧrj)
, Noun.
[OE.
litarge
, F. litharge
, L. lithargyrus
, Gr. λιθάργυροσ
the scum or foam of silver; λίθοσ
stone + ἄργυροσ
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 or minium, etc. Called also
massicot
. Webster 1828 Edition
Litharge
LITH'ARGE
,Noun.
A semi-vitreous oxyd of lead, produced in refining silver by cupellation with lead. It appears in the form of soft flakes, or semi-transparent shining plates.