lead oxide yellow

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.

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  • lead oxide — noun A yellow oxide of lead, PbO, used in the manufacture of paints and glass. Syn: lead monoxide, litharge …   Wiktionary

  • 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

  • Lead — (pronEng|ˈlɛd) is a main group element with a symbol Pb ( la. plumbum). Lead has the atomic number 82. Lead is a soft, malleable poor metal, also considered to be one of the heavy metals. Lead has a bluish white color when freshly cut, but… …   Wikipedia

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  • lead processing — Introduction       preparation of the ore for use in various products.       Lead (Pb) is one of the oldest metals known, being one of seven metals used in the ancient world (the others are gold, silver, copper, iron, tin, and mercury). Its low… …   Universalium

  • 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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