Lithargyrum

Related to Lithargyrum: lethargy

Li`thar´gy`rum

    (lĭ`thär´jĭ`rŭm)
n.1.(Old Chem.) Crystallized litharge, obtained by fusion in the form of fine yellow scales.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.