Plumbago (disambiguation)
- Plumbago (disambiguation)
Plumbago is derived from the Latin word Plumbum meaning lead. It may refer to:
Genera
*"Plumbago", the leadworts, a genus of flowering plants
*"Plumbago (butterfly)", a genus of skipper butterflies
Materials
*Used generically for lead ores such as galena and lead oxides such as Red lead.
*An old name for the mineral graphite, from its ability to make a smooth black mark on paper like lead.
*Finely powdered graphite used in the commercial metal foundry industry, as a parting dust in high temperature foundry work. It is a slick powder that prevents sand from sticking to patterns, and to keep sand from sticking to itself. It is also used as a release agent for coating steel core pins when used in aluminum castings. Thomas Edison used the word plumbago to mean graphite. This misleading usage may have arisen from a confusion of powered graphite for powdered lead.
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