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kamacite

[kam-uh-sahyt] /ˈkæm əˌsaɪt/
noun
1.
a nickel-iron alloy found in meteorites.
Origin
1885-1890
1885-90; < German (obsolete) Kamacit < Greek kamak- (stem of kámax) pole + German -it -ite1
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for kamacite

kamacite

/ˈkæməˌsaɪt/
noun
1.
an alloy of iron and nickel, occurring in meteorites
Word Origin
C19: from (obsolete) German Kamacit, from Greek kamax shaft, pole + -ite1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Encyclopedia Article for kamacite

mineral consisting of iron alloyed with 5-7 percent nickel by weight and found in almost all meteorites which contain nickel-iron metal. It has a body-centred cubic structure and is sometimes referred to as alpha iron, after one of the three temperature-dependent forms (allotropes) of pure iron, because the kamacite has the same body-centred cubic structure as alpha iron. In the iron meteorites, it comprises all the metal in hexahedrites; it also is a principal constituent of the octahedrites, where it is intergrown with taenite, a face-centred cubic nickel-iron mineral.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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