Oil: Difference between revisions
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Any viscid, flammable liquid - early use of the word referred exclusively to [[plant|vegetable]] oils. Surprisingly enough, oil can be used to fuel [[oil lamps]]. |
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Any [[mineral]], or [[vegetable]] substance or fat that is slippery, combustible, viscous, liquid or liquefiable at room temperatures. It is usually soluble in various organic solvents such as [[ether]] but not in [[water]], and used in a great variety of products, specially lubricants and fuels. |
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[[category:materials (medieval)]] |
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