2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  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. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  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}. 

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