from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A poisonous bright red powder, Pb3O4, used in paints, glass, pottery, and packing for pipe joints.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. a bright red, poisonous oxide of lead, Pb3O4, used as a pigment and in glass and ceramics

from the GNU version of the Collaborative International Dictionary of English

  • n. a scarlet, crystalline, granular powder, consisting of minium when pure, but commonly containing several of the oxides of lead. It is used as a paint or cement and also as an ingredient of flint glass.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a reddish oxide of lead (Pb3O4) used as a pigment in paints and in glass and ceramics


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