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pbo |
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 V.E.R.A. -- Virtual Entity of Relevant Acronyms 13 March 2001 [vera]: PBO Process Before Output (R/3)