a yellowish or reddish, odorless, heavy, earthy, water-insoluble, poisonous solid, PbO, used chiefly in the manufacture of storage batteries, pottery, lead glass, paints, enamels, and inks.
Origin: 1350–1400; earlier litarge, litharge, ME litarge < MF, apocopated var. of litargire < L lithargyrus < Gk lithárgyros spume of silver, equiv. to lith-lith-+ árgyros silver
lith·arge (lĭth'ärj', lĭ-thärj') n. A yellow lead oxide, PbO, used in storage batteries and glass and as a pigment. Also called lead monoxide.
[Middle English litarge, from Old French, alteration of litargire, from Latin lithargyrus, from Greek litharguros : lithos, stone + arguros, silver; see arg- in Indo-European roots.]
Main Entry: lead monoxide Pronunciation: 'led- Function: noun : a yellow to brownish red poisonous compound PbO used in rubber manufacture and glassmaking—see LITHARGE, MASSICOT
Main Entry: li·tharge Pronunciation: 'lith-"ärj, lith-' Function: noun : lead monoxide obtained in flake or powdered form; broadly:LEAD MONOXIDE —compare MASSICOT