litharge

American  

[lith-ahrj, li-thahrj] / ˈlɪθ ɑrdʒ, lɪˈθɑrdʒ /

noun

1. 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.

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litharge British  

/ ˈlɪθɑːdʒ /

noun

1. another name for lead monoxide

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Etymology

Origin of litharge

1350–1400; earlier litarge, litharge, Middle English litarge < Middle French, apocopated variant of litargire < Latin lithargyrus < Greek lithárgyros spume of silver, equivalent to lith- lith- + árgyros silver

Example Sentences

If the ore does not melt, add to it a little more of these fluxes, mixed with an equal portion of yellow litharge, and stir it with a hot iron rod until it all melts.

From De Re Metallica, Translated from the First Latin Edition of 1556 by Agricola, Georgius

Pliny goes into considerable detail as to varieties of litharge, for further notes upon which see p.

From De Re Metallica, Translated from the First Latin Edition of 1556 by Agricola, Georgius

The "powder" of glass-galls, salt, and litharge would render the mass more liquid and assist the "gold lump" to separate out.

From De Re Metallica, Translated from the First Latin Edition of 1556 by Agricola, Georgius

Stirring the mass with an iron rod serves to raise the impurities which either volatilize as litharge or, floating to the edges, are absorbed into the "test."

From De Re Metallica, Translated from the First Latin Edition of 1556 by Agricola, Georgius

Therefore, the metallurgy of this paragraph becomes a simple melting of an argentiferous lead ore, its subsequent cupellation, with a return of the litharge to the furnace.

From De Re Metallica, Translated from the First Latin Edition of 1556 by Agricola, Georgius