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metal

A Dictionary of Astronomy | 1997 | Â© A Dictionary of Astronomy 1997, originally published by Oxford University Press 1997. (Hide copyright information) Copyright

metal In astronomical terminology, any element heavier than hydrogen or helium. The abundance of such heavy elements in celestial objects is termed their metallicity.

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metal

The Oxford Dictionary of Phrase and Fable | 2006 | | Â© The Oxford Dictionary of Phrase and Fable 2006, originally published by Oxford University Press 2006. (Hide copyright information) Copyright

metal metals were traditionally divided into noble or precious metals (gold, silver, and platinum, which resist corrosion) and base or imperfect metals (such as lead). In heraldry, metal is used for the tinctures or (gold) and argent (silver).

Recorded from Middle English, the word comes via Old French or Latin, from Greek metallon ‘mine, quarry, metal’.

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ELIZABETH KNOWLES. "metal." The Oxford Dictionary of Phrase and Fable. Oxford University Press. 2006. Encyclopedia.com. 29 Nov. 2009 <http://www.encyclopedia.com>.

ELIZABETH KNOWLES. "metal." The Oxford Dictionary of Phrase and Fable. Oxford University Press. 2006. Encyclopedia.com. (November 29, 2009). http://www.encyclopedia.com/doc/1O214-metal.html

ELIZABETH KNOWLES. "metal." The Oxford Dictionary of Phrase and Fable. Oxford University Press. 2006. Retrieved November 29, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O214-metal.html

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