lead oxide yellow
massicot mas"si*cot, n. [F. massicot; E. masticot is a corruption.] (Chem.) Lead monoxide (also called {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. It is also called {lead oxide yellow}, as opposed to {red lead}, which is lead tetroxide {Pb3O4}. [1913 Webster +PJC]

Note: Massicot is sometimes used by painters, and also as a drier in the composition of ointments and plasters. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

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  • Lead protoxide — massicot mas si*cot, n. [F. massicot; E. masticot is a corruption.] (Chem.) Lead monoxide (also called {Lead protoxide}), {PbO}, obtained as a yellow amorphous powder, the fused and crystalline form of which is called {litharge}; lead ocher. It… …   The Collaborative International Dictionary of English

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  • lead — A metallic element, atomic no. 82, atomic wt. 207.2. SYN: plumbum. l. acetate has been used as an astringent in diarrhea, and in aqueous solution as a wet dressing in certain dermatoses. SYN: sugar of l.. black l …   Medical dictionary

  • lead plaster — Soap Soap, n. [OE. sope, AS. s[=a]pe; akin to D. zeep, G. seife, OHG. seifa, Icel. s[=a]pa, Sw. s?pa, Dan. s?be, and perhaps to AS. s[=i]pan to drip, MHG. s[=i]fen, and L. sebum tallow. Cf. {Saponaceous}.] A substance which dissolves in water,… …   The Collaborative International Dictionary of English

  • Lead soap — Soap Soap, n. [OE. sope, AS. s[=a]pe; akin to D. zeep, G. seife, OHG. seifa, Icel. s[=a]pa, Sw. s?pa, Dan. s?be, and perhaps to AS. s[=i]pan to drip, MHG. s[=i]fen, and L. sebum tallow. Cf. {Saponaceous}.] A substance which dissolves in water,… …   The Collaborative International Dictionary of English

  • Yellow lead ore — Yellow Yel low (y[e^]l l[ o]), a. [Compar. {Yellower} (y[e^]l l[ o]*[ e]r); superl. {Yellowest}.] [OE. yelow, yelwe, [yogh]elow, [yogh]eoluw, from AS. geolu; akin to D. geel, OS. & OHG. gelo, G. gelb, Icel. gulr, Sw. gul, Dan. guul, L. helvus… …   The Collaborative International Dictionary of English

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