Definition: massicot

Search dictionary for

Source: Webster's Revised Unabridged Dictionary (1913) 

Massicot \Mas"si*cot\, n. [F. massicot; E. masticot is a
   corruption.] (Chem.)
   Lead protoxide, PbO, obtained as a yellow amorphous powder,
   the fused and crystalline form of which is called litharge;
   lead ocher. It is used as a pigment.
Litharge \Lith"arge\, n. [OE. litarge, F. litharge, L.
   lithargyrus, Gr. ? the scum or foam of silver; li`qos 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.