Definitions for litharge
ˈlɪθ ɑrdʒ, lɪˈθɑrdʒlitharge

WiktionaryRate this definition:0.0 / 0 votes

1. lithargenoun

   Lead monoxide (PbO) a toxic solid formed from the oxidisation of lead in air, and used as a pigment

2. Etymology: litarge, from lithargyrus, from λιθαργυρος, from λίθος, stone + αργυρός silver

Samuel Johnson's DictionaryRate this definition:0.0 / 0 votes

1. Lithargenoun

   Litharge is properly lead vitrified, either alone or with a mixture of copper. This recrement is of two kinds, litharge of gold, and litharge of silver. It is collected from the furnaces where silver is separated from lead, or from those where gold and silver are purified by means of that metal. The litharge sold in the shops is produced in the copper works, where lead has been used to purify that metal, or to separate silver from it. It is used in ointments and plaisters, and is drying, abtergent, and slightly astrictive. John Hill Mat. Med.

   Etymology: litharge, French; lithargyrum, Latin.

   I have seen some parcels of glass adhering to the test or cupel as well as the gold or litharge. Boyle.

   If the lead be blown off from the silver by the bellows, it will, in great part, be collected in the form of a darkish powder; which, because it is blown off from silver, they call litharge of silver. Boyle.

WikipediaRate this definition:0.0 / 0 votes

1. Litharge

   Litharge (from Greek lithargyros, lithos (stone) + argyros (silver) λιθάργυρος) is one of the natural mineral forms of lead(II) oxide, PbO. Litharge is a secondary mineral which forms from the oxidation of galena ores. It forms as coatings and encrustations with internal tetragonal crystal structure. It is dimorphous with the yellow orthorhombic form massicot. It forms soft (Mohs hardness of 2), red, greasy-appearing crusts with a very high specific gravity of 9.14–9.35. PbO may be prepared by heating lead metal in air at approximately 600 °C (lead melts at only 300 °C). At this temperature it is also the end product of heating of other lead oxides in air. This is often done with a set of bellows pumping air over molten lead and causing the oxidized product to slip or fall off the top into a receptacle, where it quickly solidifies in minute scales. PbO2 –(293 °C)→ Pb12O19 –(351 °C)→ Pb12O17 –(375 °C)→ Pb3O4 –(605 °C)→ PbO

Webster DictionaryRate this definition:0.0 / 0 votes

1. Lithargenoun

   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

2. Etymology: [OE. litarge, F. litharge, L. lithargyrus, Gr. liqa`rgyros the scum or foam of silver; li`qos stone + 'a`rgyros silver. Litharge is found in silverbearing lead ore.]

WikidataRate this definition:0.0 / 0 votes

1. Litharge

   Litharge is one of the natural mineral forms of lead oxide, PbO. Litharge is a secondary mineral which forms from the oxidation of galena ores. It forms as coatings and encrustations with internal tetragonal crystal structure. It is dimorphous with the orthorhombic form massicot. It forms soft, red, greasy-appearing crusts with a very high specific gravity of 9.14–9.35. PbO may be prepared by heating lead metal in air at approx. 600°C. At this temperature it is also the end product of oxidation of other lead oxides in air. This is often done with a set of bellows pumping air over molten lead and causing the oxidized product to slip/ fall off the top into a receptacle where it quickly solidifies in minute scales. It was first described as a mineral in 1917 for an occurrence in San Bernardino County, California. Historically, the term "litharge" has been combined to refer to other similar substances. For example, litharge of gold is litharge mixed with red lead, giving it a red color; litharge of silver is litharge that comes as a by-product of separating silver from lead; litharge of bismuth is a similar result of the oxidation of bismuth. The term has also been used as a synonym for white lead or red lead.

Chambers 20th Century DictionaryRate this definition:0.0 / 0 votes

1. Litharge

   lith′ärj, n. the semi-vitrified oxide of lead separated from silver in refining. [Fr.,—Gr. lithargyros—lithos, a stone, argyros, silver.]

Anagrams for litharge »

1. thirlage

How to pronounce litharge?

1. Alex

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How to say litharge in sign language?

Numerology

1. Chaldean Numerology

   The numerical value of litharge in Chaldean Numerology is: 6

2. Pythagorean Numerology

   The numerical value of litharge in Pythagorean Numerology is: 8

References

1. ^ Wiktionary
   https://en.wiktionary.org/wiki/Litharge
2. ^ Samuel Johnson's Dictionary
   https://johnsonsdictionaryonline.com/views/search.php?term=litharge
3. ^ Wikipedia
   https://en.wikipedia.org/wiki/Litharge
4. ^ Webster Dictionary
   https://www.merriam-webster.com/dictionary/litharge
5. ^ Wikidata
   https://www.wikidata.org/w/index.php?search=litharge
6. ^ Chambers 20th Century Dictionary
   https://www.gutenberg.org/files/37683/37683-h/37683-h.htm#:~:text=litharge